Rwathia April 2023

Item Description Unit Qty Rate Amount
BUILDERS WORK
PROPOSED REMODELLING & REDEVELOPMENT OF HOUSE IN

EASTLEIGH SECTION 3 FOR RWATHIA HOUSING LTD
BILL NO. 1
SUBSTRUCTURES (PROVISIONAL)
EXCAVATIONS
Site Clearance
B Excavation average 200mm deep to remove top vegetable soil

and stock pile on site for later re-use SM 450 350.00 157,500.00
C Ditto in existing raised floors soil to reduce levels n.e. 2m column pits onl CM 1,000 1,250.00 1,250,000.00
D Ditto but foundation trench n.e. 1.5m deep starting from

reduced level and stock pile on site as directed. CM 450 850.00 382,500.00
E E.O Excavation for column bases CM 150 850.00 127,500.00
F Allow for demolitions and hoarding and disposal from site ITEM 780,000.00
Plunking and strutting ; Keep excavation free from water
G Allow for maintaining and supporting sides of excavations and

for keeping the same from fallen materials ITEM 1 35,000.00 35,000.00
FILLINGS / DISPOSAL
H Return, fill and ram selected imported murram material around

foundations CM 1000 100.00 100,000.00
I Load, wheel and deposit surplus excavated materials where

directed by architect on site n.e. 50 km away CM 800 500.00 400,000.00
Hardcore filling
J Under floors compacted in 300mm layers CM 200 1,200.00 240,000.00
K 50mm thick quarry dust blinding to surfaces of hardcore SM 200 100.00 20,000.00
TOTAL CARRIED TO SUMMARY 3,492,500.00
MB 1
BUILDERS WORK
BILL NO. 1 CONT'D
Anti - termite
A Chemical anti-termite treatment executed complete by an

approved specialist under a ten (10) year guarantee to surface
of blinded hardcore. SM 200 280.00 56,000.00
Damp Proof Membrane
B 500 gauge polythene or any other equal and approved D.P.M.

laid under surface bed with 30mm side and end laps
(measured nett-allow for laps) SM 200 150.00 30,000.00
C 50mm thick concrete (1:4:8)blinding under column bases SM 45 8,500.00 382,500.00
Reinforced concrete (1:2:4) as directed in;-
D 400mm thick concrete in column bases CM 50 13,500.00 675,000.00
E 150mm thick surface bed CM 80 13,500.00 1,080,000.00
F stairs starter CM 0 1,500.00 0.00
G Beam CM 0 13,500.00 0.00
H Foundation columns CM 20 13,500.00 270,000.00
REINFORCEMENT
Square twisted mild steel reinforcement in structural concrete work
I 8mm diameter bars in ground beams KG 0 150.00 0.00
J 10mm ditto in reiforced slab KG 0 150.00 0.00
K 16mm ditto in foundation columns KG 500 150.00 75,000.00
L 8 mm Ditto KG 200 150.00 150,000.00
M 12 mm Ditto KG 1500 150.00 150,000.00
MB 2
BUILDERS WORK
BILL NO. 1 CONT'D
Mesh fabric reinforcement to BS 4483 and setting in concrete

with 300mm side and end laps (measured nett-allow for laps)
A Fabric mesh ref: A98 weighing 0.54 KG/SM in floor bed SM 200 450.00 90,000.00
Sawn Form Work to:
B Vertical sides of ground beams SM 0 540.00 0.00
C Sides of vertical columns and column bases SM 200 600.00 120,000.00
D Edges of groung floor slab over 750mm but n.e. 150mm high SM 240 600.00 144,000.00
Walling in natural stone coursed stone obtained from an approved

quarry, jointed and bedded in gauged mortar (1:3)
E 200mm thick walling in foundations SM 750 1,500.00 1,125,000.00
D.P.C.
Three ply bituminous felt D.P.C. bedded in cement and sand (1:3)
mortar (measured nett-allow for laps)
F 200mm wide horizontal layer LM 450 150.00 67,500.00
PLINTH
12mm cement and sand (1:3) render on stone or concrete work
G Concrete or masonry walling plinths SM 270 350.00 94,500.00
Prepare and apply two coats black bituminous paint to:
H Rendered concrete or stone surfaces SM 270 350.00 94,500.00
TOTAL 1,735,500.00
MB 3
BUILDERS WORK
COLLETION
Collection brought from MB 1 3,492,500.00
Collection brought from above 1,735,500.00
MB 4
BILL NO.2
SUPERSTRUCTURES
FRAME:
REINFORCED CONCRETE
A Beams and ring beams CM 220 13,500.00 2,970,000.00
B 150mm suspended slab CM 200 13,500.00 2,700,000.00
C Columns CM 50 13,500.00 675,000.00
Precast concrete class 20 (12mm aggregate) including form work

finishing fare faced on all exposed surfaces and hoisting and
placing in position, bedding and jointing in cement and sand
(1:3) mortar
D 200x700mm fins, reinforced with and including four 12mm diameter

mild steel rods and 6mm stirrups at 200mm centers (in 3 No.) LM 0 200.00 0.00
REINFORCEMENT ( ALL PROVISIONAL)
Mild steel round reinforcement bars to BS 4449 in structural

concrete work
E 16mm diameter bars KG 2000 150.00 300,000.00
Mild steel square twisted reinforcement bars to BS 4461 in

structural concrete work
F 12mm diameter bars KG 8600 150.00 996,000.00
G 10mm ditto KG 4200 150.00 630,000.00
H 8mm ditto KG 6000 150.00 900,000.00
MB 5
BUILDERS WORK
BILL NO. 2 CONT'D
SAWN FORMWORK TO:
A Soffits of slabs SM 400 600.00 240,000.00
B Sides and soffits of beams SM 1700 600.00 1,020,000.00
C Sides of vertical columns SM 1850 600.00 1,110,000.00
D Ditto to edges of slabs 75 - 150mm high LM 432 150.00 64,800.00
TOTAL 2,434,800.00
COLLETION
Collection brought from above 2,434,800.00
MB 6
BUIDERS WORK
BILL NO. 3
SUPERSTRUCTURES
STAIRS
REINFORCED CONCRETE
In situ concrete class 20/20, vibrated and reinforced as described in:-
A Stairs CM 10 1,500.00 15,000.00
B 150mm thick slab in staircase landing SM 2 150.00 300.00
C Stair beams CM 2 1,500.00 3,000.00

D 12mm diameter bars KG 760 25.00 19,000.00
E 10mm ditto KG 560 25.00 14,000.00
SAWN FORMWORK TO:
F Soffits of slabs SM 23 100.00 2,300.00
G Sides and soffits of beams SM 23 10.00 230.00
H Sides of vertical columns SM 50 100.00 5,000.00
J Ditto to edges of risers 150mm but n.e. 225mm high LM 64 50.00 3,200.00
K Ditto to edges of open raking strings to steps 300mm high

(extreme) cut and fitted to profile of treads and risers LM 45 75.00 3,375.00
TOTAL CARRIED TO SUMMARY 65,405.00
MB 7
BUIDERS WORK
BILL NO. 4
SUPERSTRUCTURES
WALLING
Walling in machine dressed natural stone obtained from an

approved quarry, jointed and bedded in gauged mortar (1:3)
A 200mm thick walling SM 4200 1,500.00 6,300,000.00
Sundries
B 75mm deep mortise in block or concrete work for fish tailed ends of
50 x 50 x 6mm angle frame NO 0 0.00 0.00
C 75mm diameter precast concrete vent pipe as before described NO 0 0.00 0.00
D Make hole through 200mm wall for 75mm vent pipe NO 0 0.00 0.00
MB 8
Section No. 3
PROPOSED ERECTION AND COMPLETION OF A 4 BEDROOM MAISONETTE - HOUSING UNITS

FOR NAIROBI ELITE REAL ESTATE ON PLOT L.R. NO. ………………………., ONGATA RONGAI
BILL NO. 15 - SEPTIC TANK AND ASSOCIATED

EXTERNAL WORKS
A Excavate for pit not exceeding 1.5m deep commencing

from ground level. Cm 31 80.00 2,480.00
B Ditto between 1.5-3.0m deep Cm 21 100.00 2,100.00
D Imported murram filling well watered and compacted to edges Cm 4 400.00 1,600.00
E Ditto but 200mm thick blinding under floor bed compacted Sm 21 300.00 6,300.00
F Load and cart away excavated materials. Cm 44 250.00 11,000.00
G Extra over for excavating in rock of any class Cm 7 680.00 4,760.00
G 50mm thick plain concrete 1:4:8 blinding under floor bed Sm 15 300.00 4,500.00
H Ditto in benching average 200mm high, in manhole

size 600 x 850mm, including forming 150mm diametre
half round main channel. No. 2 1,000.00 2,000.00
Vibrated reinforced concrete 1:2:4 to:-
J 150mm floor bed laid to falls not exceeding 15 degrees from

horizontal. Sm 7 1,125.00 7,875.00
K Ditto manhole footing Sm 1 1,125.00 1,125.00
L 200mm thick suspended scum baffle walling Sm 2 1,500.00 3,000.00
M 200mm thick scum baffle walling with slats Sm 2 1,500.00 3,000.00
N 150mm thick cover slab. Sm 7 1,125.00 7,875.00
Natural stone walling
P 200mm thick extenal but natural stone walling Sm 40 700.00 28,000.00
Carried to collection 85,615.00

EX 1
Section No. 3 Cont'd

Sawn formwork to:-
A Sides and Soffites of suspended scum baffle. Sm 6 180.00 1,080.00
B Sides of extenal walling Sm 61 180.00 10,980.00
C Soffites of cover slab. Sm 6 180.00 1,080.00
D Boxing to ditto for manhole cover(m.s) opening size

450 x 600mm. No. 2 200.00 400.00
E Sides and edges of cover slab 150-225mm high. Lm 15 43.00 645.00
Reinforcement
F B.R.C mesh ref A.142 (nett) to baffle walling Sm 3 200.00 600.00
G 12mm diametre high tensile square twisted bars. Kg 80 80.00 6,400.00
H 20mm cement sand 1:2 floor screed, water proofed

with pudlo and trowelled smooth, not exceeding 15
degrees to horizontal with sulphate resistant cement. Sm 6 250.00 1,500.00
J Ditto to sides and soffites of suspended scum baffles. Sm 6 250.00 1,500.00
K Ditto to walls both sides Sm 41 250.00 10,250.00
L Ditto to top and sides of cover slab Sm 15 250.00 3,750.00
M Ditto edges of slab Sm 2 250.00 500.00
N Light duty cast iron(grade "c") manhole cover and frame

size 600 x 450mm with 37 Kg weight including bedding
frame in cement and sand mortar 1:2 and setting cover
in greese. No. 2 6,000.00 12,000.00
P 100mm diametre P.V.C inlet pipe with equal "Tee"

450mm long. No. 2 300.00 600.00
EX 2

A 100mm diametre U.P.V.C out-let pipe 750mm long No. 1 300.00 300.00
B Form or leave 150mm diametre hole in 250mm walling. No. 2 30.00 60.00
C Allow for plunking and strutting item 2,000.00 3,000.00
D Allow for keeping excavations free from water item 2,000.00 15,000.00
COLLECTION
Brought forward from pg EX 01 85,615.00
'' '' '' pg EX 02 50,205.00
" " " above 18,360.00
TOTAL FOR SEPTIC TANK CARRIED TO 154,180.00

SUMMARY OF EXTERNAL WORKS
EX 3

FOUL DRAINAGE (all provisional)
High grade soil, waste and vent pipes as "key terr-

ain" P.V.C soil waste and vent pipes including
couplings and all fixing brackets. To nearest manhole
A Excavate trench for 200mm diametre drain pipe not

exceeding 1.5M deep and average 500mm deep
including fitting in, compacting, grading bottoms
and desposing surplus soil. Lm 8 60.00 480.00
B Ditto average 750mm deep ditto. Lm 7 80.00 560.00
C Ditto average 1000mm deep ditto. Lm 3 120.00 360.00
U.P.V.C pipes class 41

D 150mm diametre high grade u.p.v.c golden brown
pipe and fittings, laying, and jointing in trench
including backfilling. Lm 23 500.00 11,500.00
E 100mm diameter vent pipe Lm 2 400.00 800.00
F Allow for keeping excavation free from water Ls 1 2,000.00 2,000.00
G Allow for testing the whole of the foul drainage to the

satisfaction of P.m Ls 1 5,000.00 5,000.00
TOTAL FOR FOUL DRAINAGE CARRIED TO 20,700.00

EX4

1-No. SOAK- PITS- as measured
The following in 1-No soakpits as per drawing No.

M.o.W(50) 5345
A Excavate pit not exceeding 1.5m deep starting from

original ground level Cm 3 120.00 360.00
B Ditto between 1.5m-3.0m deep. Cm 2 150.00 300.00
C Ditto between 3.0m-4.5m deep. Cm 2 200.00 400.00
D Ditto between 4.5m-6.0m deep. Cm 2 250.00 500.00
E Ditto between 6.0m-7.5m deep. Cm 2 300.00 600.00
F Extra-over excavation for excavating in rock class A Cm 2 800.00 1,600.00
G Cart away surplus excated materials from site. Cm 15 400.00 6,000.00
H Return, fill-in and consolidate excavated materials

around foundations. Cm 4 80.00 320.00
J 200mm (mean) diametre natural stones filling

loosely packed. Cm 11 650.00 7,150.00
K Mass concrete 1:3:6. Cm 1 7,000.00 7,000.00
L 150mm thick vibrated reinforced concrete 1:2:4 in

cover slab. Sm 1 1,125.00 1,125.00
M 12mm diametre high tensile square twisted bars to

B/s 4449 Kg 20 90.00 1,800.00
N Steel fabric reinforcement B.R.C mesh No.65 Sm 1 250.00 250.00
Sawn formwork to:-

P Soffites of suspended slab Sm 1 200.00 200.00
Q Edges of suspended cover slab girth 75-150mm. Lm 6 60.00 360.00
CARRIED TO COLLECTION 27,965.00
EX 5

A Boxing to form opening size 600x450mm in 150mm

thick suspended cover slab, rebated all round. No. 1 200.00 200.00
B Form or leave 150mm diametre hole in 150mm

thick block walling. No. 1 50.00 50.00
C Building in, 150mm diametre drain pipe through

150mm thick walling and make good in cement
sand render 1:3. No. 1 50.00 50.00
Natural Stone walling in cement sand mortar 1:3:-
D 150mm walling coved on plain 740mm radius. Sm 4 700.00 2,800.00
E 12mm thick cement sand 1:4, rendering coved

to wall radius both sides Sm 3 200.00 600.00
F Ditto but to top and edges of suspended slab both sides Sm 3 200.00 600.00
G Cast-iron light duty (grade'c') manhole cover and

frame size 600x450mm, 37KG weight including
bedding frame in cement sand 1:3 and setting
cover in grease. No. 1 6,000.00 6,000.00
COLLECTION
'' '' '' Above 10,300.00
Total for one No. soakpit

38,265.00
EX 6

MANHOLES(all provisional)
The following in 3No. Manholes
A Excavate manhole pit not exceeding 1.5m deep. Cm 2 120.00 240.00
B Ditto 1.5m-3.0m deep. Cm 1 150.00 150.00
C Return, fill-in and consolidate excavated materials

around manhole walls. Cm 1 80.00 80.00
D Remove surplus excavated materials and deposit on

site as directed. Cm 2 300.00 600.00
E Extra-over excavation for excavating in rock class'A' Cm 1 800.00 800.00
F 100mm thick mass concrete 1:3:6 in manhole base. Sm 2 700.00 1,400.00
Precast Concrete
G 150mm thick precast conrete 1:2:4 in manhole cover

slab size 1380mmx1180mm, reinforced with 8mm
diametre at 80mm centres both ways with rebated
opening for 450x600mm cover and frame finished
smooth including any necessary formwork. No. 1 1,200.00 1,200.00
Benching
H Concrete 1:3:6 in benching to bottom of manholes

internal size 1000mmx800mm including haunching
to a height of 200mm above channel and rendering
in cement 1:2 trowelled smooth. No. 1 500.00 500.00
J Make or leave hole through 200mm concrete wall
for 150mm diametre pipe(m.s) built-in and make
good walls and render all round. No. 2 20.00 40.00
Extra-over benching to forming the following channels

with external rounded angles with slopping top of
benching:-
K 150mm diametre half-round section straight main

channel 1000mm long. No. 1 50.00 50.00
EX 7

Manholes Cont.
A Ditto but curved 900mm long. No. 1 50.00 50.00
B 200mm thick natural quarry stone walling in cement

sand mortar 1:3. Sm 3 700.00 2,100.00
C 12mm thick cement sand 1:2 plaster to ditto with

approved water-proofing admixture to internal sides
of manholes trowelled smooth. Sm 2 300.00 600.00
D Ditto but render to top and sides of cover slab and

walling. Sm 3 300.00 900.00
E Cast-iron grade 13 (Medium) duty single seal flat

type manhole cover size 600mmx450mm weighing
37kg and setting frame in cement sand mortar 1:3
and cover in grease. NO. 1 6,000.00 6,000.00
COLLECTION
'' '' '' Above 9,650.00
Total for 1 No. manhole 14,710.00

NO 3
Total for 3 manholes 44,130.00
COLLECTION
BROUGHT FROM EX 3, SEPTIC TANK 154,180.00
BROUGHT FROM EX 4, FOUL DRAINAGE 20,700.00
BROUGHT FROM EX 6, SOAK PITS 38,265.00
BROUGHT FROM ABOVE, MAN HOLES 44,130.00
TOTAL COLLECTION CARRIED TO SUMMARY 257,275.00
EX 8
Section No. 2
PROPOSED ERECTION AND COMPLETION OF A 6 BEDROOM MAISONETTE ON

PLOT L.R. NO. NAIROBI BLOCK 112/97 AT RUNDA ESTATE FOR MR. & MRS. ENOS O. OBADO
BILL NO. 1
SUBSTRUCTURES (PROVISIONAL)
EXCAVATIONS
Excavations including maintaining and supporting sides free

from water, mud and fallen materials
Site Clearance
A Clear site of all shrubs,bushes and unwanted trees SM 2000
B Excavation average 200mm deep to remove top vegetable soil

and stock pile on site for later re-use SM 713
C Ditto in red soil to reduce levels n.e. 1.5m CM 403
D Ditto but foundation trench n.e. 1.5m deep starting from

reduced level and stock pile on site as directed. CM 210
E Ditto but pit for column bases CM 4
Plunking and strutting ; Keep excavation free from water
F Allow for maintaining and supporting sides of excavations and

for keeping the same from fallen materials ITEM 1
FILLINGS / DISPOSAL
G Return, fill and ram selected imported murram material around

foundations CM 196
H Load, wheel and deposit surplus excavated materials where

directed by architect on site n.e. 50m away CM 98
Hardcore filling
J Under floors compacted in 300mm layers CM 106
K 50mm thick quarry dust blinding to surfaces of hardcore SM 352
TOTAL CARRIED TO SUMMARY

MB 1
Section No. 2

BILL NO. 1 CONT'D
Anti - termite
A Chemical anti-termite treatment executed complete by an

approved specialist under a ten (10) year guarantee to surface
of blinded hardcore. SM 352
Damp Proof Membrane
B 500 gauge polythene or any other equal and approved D.P.M.

laid under surface bed with 30mm side and end laps
(measured nett-allow for laps) SM 352
C 50mm thick concrete (1:4:8)blinding under footings and bases SM 140
Reinforced concrete (1:2:4) as directed in;-
D Strip foundations CM 28
E 150mm thick surface bed SM 352
F Columns bases CM 1
G Steps CM 1
H Foundation columns CM 2
J Extra over surface bed for 700 x 300mm thicknessing along walls LM 233
REINFORCEMENT
Square twisted mild steel reinforcement in structural concrete work
K 8mm diameter bars KG 2304
L 10mm ditto KG 2938
M 12mm ditto KG 3238

MB 2
Section No. 2

BILL NO. 1 CONT'D
Mesh fabric reinforcement to BS 4483 and setting in concrete

with 300mm side and end laps (measured nett-allow for laps)
A Fabric mesh ref: A98 weighing 0.54 KG/SM in floor bed SM 352
Sawn Form Work to:
B Vertical sides of strip footing SM 186
C Sides of vertical columns and column bases SM 40
D Edges of groung floor slab over 750mm but n.e. 150mm high LM 82

E 200mm thick walling in foundations SM 431
D.P.C.
Three ply bituminous felt D.P.C. bedded in cement and sand (1:3)
mortar (measured nett-allow for laps)
F 200mm wide horizontal layer LM 233
PLINTH
12mm cement and sand (1:3) render on stone or concrete work
G Concrete or masonry walling plinths SM 202
Prepare and apply two coats black bituminous paint to:
H Rendered concrete or stone surfaces SM 202

TOTAL
MB 3
Item Description Unit Qty
Section No. 2

COLLETION
Collection brought from MB 1
Collection brought from above

MB 4
Section No. 2

BILL NO. 2
SUPERSTRUCTURES
FRAME
REINFORCED CONCRETE
A Beams and ring beams CM 25
B 150mm suspended slab SM 191
C Columns CM 3
Precast concrete class 20 (12mm aggregate) including form work

finishing fare faced on all exposed surfaces and hoisting and
placing in position, bedding and jointing in cement and sand
(1:3) mortar
D 200x700mm fins, reinforced with and including four 12mm diameter

mild steel rods and 6mm stirrups at 200mm centers (in 3 No.) LM 88
Mild steel round reinforcement bars to BS 4449 in structural

concrete work
E 8mm diameter bars KG 658

F 12mm diameter bars KG 1209
G 10mm ditto KG 1097
H 8mm ditto KG 860

MB 5
Section No. 2

BILL NO. 2 CONT'D
SAWN FORMWORK TO:
A Soffits of slabs SM 191
B Sides and soffits of beams SM 334
C Sides of vertical columns SM 101
D Ditto to edges of slabs 75 - 150mm high LM 184
TOTAL
COLLETION

MB 6
Section No. 2

BILL NO. 3
SUPERSTRUCTURES
STAIRS
REINFORCED CONCRETE
In situ concrete class 20/20, vibrated and reinforced as described in:-
A Stairs CM 5
B 150mm thick slab in staircase landing SM 10
C Stair beams CM 2

D 8mm diameter bars KG 261
E 10mm ditto KG 629
SAWN FORMWORK TO:
F Soffits of slabs SM 10
G Sides and soffits of beams SM 2
H Sides of vertical columns SM 2
J Ditto to edges of risers 150mm but n.e. 225mm high LM 13
K Ditto to edges of open raking strings to steps 300mm high

(extreme) cut and fitted to profile of treads and risers LM 70
MB 7
Section No. 2

BILL NO. 4
SUPERSTRUCTURES
WALLING
Walling in machine dressed natural stone obtained from an

approved quarry, jointed and bedded in gauged mortar (1:3)
A 200mm thick walling SM 1251
Sundries
B 75mm deep mortise in block or concrete work for fish tailed ends of
50 x 50 x 6mm angle frame NO 41
C 75mm diameter precast concrete vent pipe as before described NO 41
D Make hole through 200mm wall for 75mm vent pipe NO 41

MB 8
Section No. 2

BILL NO. 5
ROOF CONSTRUCTION
Timber in roof Construction
Structural timbers, sawn cypress pressure impregnated with

"Celcure" or "Tanalith" solution with minimum net retention of
0.35Lbs of dry per cubic foot (or 1.20kg per cubic metre)
The following in Roof Trusses with bolted connections, including

hoisting and fixing in position over 3000 to 12000mm above
ground floor level
A 100 x 50mm struts / ties LM 264
B 150 x 50mm joist LM 624
C 150 x 50mm rafters LM 682
D 100 x 50mm ridge board LM 56
Common rafters / wall plates, e.t.c.
E 150 x 50mm wall plate secured with and including 12mm diameter
mild steel anchor bolt 300mm long at 900mm centers cast in
concrete ring beam LM 417
F 75 x 50mm purlins LM 424
Connections, all trusses
G 12mm diameter bolts 200mm long to joints including all nuts,

washers, fixing and drilling holes in timber members NO 228
MB 9
Section No. 2

BILL NO. 5 CONT'D
ROOF FINISHES
Roofing tiles as 'Portuguese tiles' fixed with and including all

necessary fixtures on timber purlins (m.s.) with one half side laps
and 150mm end laps to match
A Portuguese tiles roof covering n.e. 35 degrees from horizontal

including all necessary fixtures SM 458
B Half round standard ridge and hip capping to match LM 108
C 30 gauge plain sheeting underlay laid over timber rafters with

300mm minimum side and end lapsincluding fixing SM 458
Sawn cypress timber selected and kept clean
D 200 x 25mm fascia or bage board LM 202
E 50 x 25mm thick T & G eaves boarding to and including 50 x 25mm

sawn cypress brackets nailed to rafters ( measured seperately) SM 101
F Ditto slopping SM 51
G Chicken wire mesh SM 101
H 50 x 50mm sawn cypress brandering nailed to rafters (provisional) LM 1023

MB 10
Section No. 2

BILL NO. 5 CONT'D
Rain water disposal
28 guage galvanized plain sheet metal bent, welded joints with

and including steel brackets and hangers all in accordance with
the detailed drawing
A 450mm girth gutter fixed to fascia with and including steel brackets
and hangers all in accordance with the detailed drawings LM 202
B Ditto 100 x 100mm down pipes secured to wall with and including
steel brackets (8 NO. pipes) LM 96
C Extra over ditto for swan neck NO 16
D Ditto for shoe NO 16
E Extra for gutter connection to down pipe NO 16
Painting and decorations
Knot, touch up primer, prepare and apply two undercoats and one
finishing coat gloss oil paint to wood work
F General timber surfaces SM 404
G Surfaces over 200mm but n.e. 300mm girth LM 93

Touch up primer, prepare and apply two undercoats and one
finishing coat gloss oil paint to metal work
H General metal gutter surfaces and rain water down pipes SM 24
J Surfaces over 200mm but n.e. 300mm girth LM 71
MB 11
Section No. 2

BILL NO. 5 CONT'D
COLLETION

MB 12
Section No. 2

BILL NO. 6
WALL FINISHES
15mm (minimum) two coat cement, lime and sand plaster,

steel trowelled smooth finish, as described to;-
A Concrete or stone walls SM 2502
Wall tilling to internal walls (provisional)
12mm cement : sand (1:4) backing e.t.c.
B 12mm thick render finish to receive wall tiles (m.s.) SM 246
Ceramic tiles
C 300 x 300 x 6mm thick ceramic wall tiles, fixed with coloured
cement to the satisfaction of the project manager SM 246
F Extra over border tiles rounded on one edge LM 129

E Extra over border tiles rounded on two edges NO 430
Painting and decorations
Prepare and apply one undercoats and two finishing coats plastic
emulsion paint to:-
F Plastered walls and beams SM 2256
Cladding to external walls finished to architectural details
12mm (minimum) render finished with a wood float
G Stone walling or concrete surfaces SM 98
H Extra over chisel dressed stone walling for neat recessed key in
cement mortar (1:3) SM 699
MB 13
Section No. 2

BILL NO. 6 CONT'D
Facing work
A 50mm thick brick work facing consisting of selected bricks size

150 x 75mm bedded and jointed in cement mortar (1:4) mix with
65 NO. wall ties per square meter recessed and pointed coloured
cement : sand (1:4) as work proceeds SM 40
B Smooth plaster decorating relief pattern finish to external walls SM 125
Prepare and apply one undercoat and two finishing coats plastic
emulsion paint to:
C Rendered surface SM 4512

TOTAL
COLLETION
MB 14
Section No. 2

BILL NO. 7
FLOOR FINISHES
External clay tiles
A 32mm screed finished to receive clay floor tiles SM 268
B 300 x 300mm clay floor tiles layed on cement mortar SM 268
C 100 x 20mm skirting ground smooth and rounded at the top LM 180
Ceramic floor tiles
D 25mm screed finished to receive ceramic floor tiles SM 155
E 300 x 300mm ceramic floor tiles layed on cement mortar SM 155

F 100 x 20mm skirting ground smooth and rounded at the top LM 183
Hard Wood Paraquet floor tiles
D 25mm screed finished to receive paraquet floor tiles SM 285
E 300 x 20mm paraquet floor tiles layed on cement mortar SM 285
Insittu Terazzo
D 40mm screed finished to receive terazzo chippings to floor SM 35
E 25mm terazzo finished and ground smooth in cement:sand mortar SM 35
MB 15
Section No. 2

BILL NO. 8
CEILING FINISHES
12mm (minimum) two coat lime plaster with steel trowelled finish
A Soffits of plastered ceiling SM 191
Prime grade cypress timber selected and kept clean
B 100 x 25mm cornice with two labours LM 202
Celotex / Gypsium soft board for ceiling

C 15mm thick spft board fixed to and including 50 x 50mm
sawn cypress brandering at 600mm centres both directions fixed
with clout headed nails and set out in symmetrical panels
with "V"joints SM 191
Sawn cypress
D 50 x 50mm sawn cypress brandering nailed to rafters (provisional) LM 2486
Painting and decoration
Prepare and apply three coats first quality plastic emulsion paint
E Plastered soffits and suspended slabs SM 191
F Surfaces of soft board SM 191
G Surfaces over 200mm but n.e. 300mm girth LM 221
MB 16
Section No. 2

BILL NO. 9
STAIR CASE FINISHES (to details and satisfaction of the client

and the architect)
A 25mm screed finished to receive wood parquet to floor SM 8
B 225 x 100mm wood treads layed to floor LM 21
C 100 x 20mm skirting ground smooth and rounded at the top LM 60

D 20mm thick average wood parquet to open ditto SM 12
E 200 x 200 thick average wood parquet to wall and internal

end string ditto to staircase profile LM 28
F 150 x 20mm thick average wood risers skirting polished LM 22
12mm (minimum) two coat lime plaster, with steel trowelled

finished as described to;
G Sloping soffits of stairs SM 40
H Horizontal soffits of staircase landing SM 8
J Sides and soffits of stair beams SM 23
Prepare and apply three coats first quality emulsion paint to:-
K Plastered sloping soffits of stairs SM 40
L Plastered horizontal soffits of stairs SM 8
M Sides and soffits of ramp beams SM 23
MB 17
Section No. 2

BILL NO.10
BALUSTRADING
The following in staircase balustrading
Wrot mahogany selected and kept clean

A 100 x 50mm raking handrail, fixed to timber balusters (ms) LM 15
Labours
B Extra over handrail for wreathed ramp NO 10
C Extra over handrail for 180 degree turn wrethed ramp NO 10
Mild steel including grinding all welds smooth and painting with
red oxide primer delivery to site
The following balcony balustrading
D 50 x 25 x 1.5mm thich rectangular hollow section baluster 1100mm LM 20

long with one end sealed and ground smooth and other end
fish-tailed and built into concrete slab
E 25 x 4mm thick mild steel balustrading hollow pattern welded on

to top, bottom and baluster rails LM 64
F 50 x 25 x 1.5mm rectangular hollow section bottom rail

welded to balusters LM 30
G 50 x 25 x 1.5mm rectangular hollow section top rail welded LM 30

to balusters
MB 18
Section No. 2

BILL NO.10 CONT'D
Painting and decoration
Touch up primer, prepare and apply two undercoats and

one finishing coats enamel paint to metal work
A Grill work surfaces both sides measured flat SM 15
B Ditto but to wood work surfaces both sides measured flat

(staircase) SM 13
Prepare and apply three coats polyurethane or other similar and

approved clear finish to:
C Wood surfaces 100 - 200mm girth LM 98
TOTAL
COLLETION
MB 19
Section No. 2

BILL NO.11
WINDOWS
WINDOW CILL
A 150 x 15mm quary tile external window cill pointed in cement

and sand (1:3) mortar LM 62
Curtain Boxes in wrot cypress or other equal and approved

soft wood
B 50 x 25mm bearer pluged LM 62
C 150 x 25mm pelmet top fixed to bearer LM 62
D 150 x 25mm thick, 150mm fascia with three labours fixed to top LM 62
E 150 x 25mm thick,150mm long pelment end with three labours NO 62
F 100 x 20mm window board plugged LM 62
G Approved aluminium 1 section curtain track complete with

brackets, glidders, ene stops, fixing screws and hooks
fixed to timber tops LM 62
MB 20
Section No. 2

BILL NO.11 CONT'D

Mild steel
Supply and fix the following purpose made casement windows with
standard "z" section including all coupling mullions etc and
complete with bronze handles, peg stays and other iron monery;
factory primed with red oxide primer including cutting and pining,
fixing lugs to concrete or masonary work jambs, bedding in cement
and sand (1:3) mortar pointing all roung frames in mastic,easing
oiling and adjusting opening on completion.
A Window overall size 1500 x 1800mm high as per architects

schedule of windows (W1) NO 7
B Window overall size 1500 x 1500mm high as per architects

C Window overall size 1200 x 1800mm high as per architects

D Window overall size 1000 x 1000mm high as per architects

E Window overall size 1800 x 1800mm high as per architects

F Window overall size 600 x 1000mm high as per architects

MB 21
Section No. 2

BILL NO.11 CONT'D
Burglar proofing
A Overall size 1500 x 1800mm high comprising of 12mm square mild

steel bars in approved pattern NO 7
B Ditto but overall size 1500 x 1500mm high as per architect's details NO 11
C Ditto overall size 1200 x 1800mm high NO 6
D Ditto overall size 1000 x 1000mm high NO 17
E Ditto overall size 1800 x 1800mm high NO 4
F Ditto overall size 600 x 1000mm high NO 1
4mm clear sheet glass and glazing to metal windows
G In panes over 0.10 square metres but not exceeding 0.050sm SM 75
5mm obscure sheet glass and glazing metal windows
H In panes over 0.10 metres but not exceeding 0.05 square m SM 18
MB 22
Section No. 2
BILL NO.11 CONT'D
Painting and decorating
("Crown") alluminium or other equal and aproved wood primer to:
A Back of woods surface not exceeding 100mm girth LM 62
touch up primer,prepare and apply two undercoat and one

finishing coat gloss oil paint to metal work
B General surfaces of mild steel windows (both sides) SM 93
Prepare and apply three coats of polyurethane clear lacqure

to timber surfaces
C Ditto over 200mm but not exceeding 300mm girth LM 62
D General surfaces SM 93
TOTAL
COLLETION
MB 23
Section No. 2

BILL NO. 12
DOORS
TIMBER DOORS
Wrot treated mahogany selected and kept clean
A 15mm Quadrant LM 184
B 40 x 12mm architrave LM 184
C 150 x 50mm frame with four labours LM 184
D 150 x 50mm mullions with four labours LM 184
Flush doors
45mm thick solid core flush to B.S 459:part2, faced on both

sides with mahogany veneer and lipped on all edges with hard wood
E Door overall size 900 x 2100mm high (D1) NO 25
50mm thick pannel doors to architectural details
F Fire Proof Door overall size 900 x 2100mm high (D2) NO 1
G Ditto but door overall size 1200 x 2100mm high (D3) NO 3
H Ditto but door overall size 1800 x 2100mm high (D4) NO 1
Steel casement double doors
Supply, assemble and fix the following purpose made standard section
steel casement door to comply to B.S.990 obtained from an approved
manufacturer, primed with red oxide primer before delivery to site
complete with, hinges, handles, catches and building in lugs
J Steel grill door 900 x 2100mm consisting of 50 x 50 x 6mm

angle framing and bracing, filled in with 10mm sheet steel welded
to frame and glazed at the top (D5) NO 1
K Ditto but door overall size 1200 x 2100mm high (D6) NO 3
L Ditto but door overall size 1800 x 2100mm high (D7) NO 1
M Ditto but garrage metal door overall size 2400 x 2400mm high (D8) NO 2

MB 24
Section No. 2

BILL NO. 12 CONT'D
4mm clear sheet glass and glazing to fanlight fixed with glazing beads
A In panes over 0.10 square metres but not exceeding 0.050sm SM 6
Supply and fix the following ironmongery with screws to match

(ref. Is to union catalogie or other equal and apptoved
B 100mm steel butt hinges with steel screws PRS 45
C 3-lever mortice lock as union 2277 complete with union 680-06-07

lever furniture NO 30
D 5-lever mortice lock as union 2277 complete with union 680-06-07

lever furniture for steel door lock NO 7
E Rubber door stop fixed to cncrete floor or masonary walling with

and including 38mm rawl bolt NO 37
F Hat and coat hook with rubber butt NO 26
"Crown" aluminium or other equal approved primer
G Back of wood surface exceeding 100mm girth but not exceeding

200mm girth LM 31
Prepare and apply two undercoats and one finishing coat enamel
paint on wood work
H Ditto not exceeding 100mm girth LM 31
J Ditto over 200mm but not exceeding 300mm girth LM 23
K General surfaces SM 28
MB 25
Section No. 2

BILL NO. 12 CONT'D
Prepare and apply two undercoats and one finishing coat gloss oil
paint on metal work
A Ditto not exceeding 100mm girth LM 184
B Ditto over 200mm but not exceeding 300mm girth LM 184
C General surfaces SM 80
Prepare and apply two undercoats and one finishing coat gloss
paint on metal work
D General surface SM 80
TOTAL
COLLETION

MB 26
Section No. 2

BILL NO. 13
FITTINGS (Provisional)
WARDROBES
The following in 80 No wardrobes size 1940 x 600 x 2550mm high

overall; 25mm blockboard with screw joints
A Divisions SM 25
B Shelf SM 35
C Door size 600 x 1950mm overall NO 35
D Door size 600 x 400mm overall NO 40
E Drawer size 600 x 600 x 225mm overall comprising painted 18mm

MDF fronts, 12mm MDF sides and from 6mm plywood base NO 36
Prime grade wrot cypress
F 100 x 50mm shoe rack LM 38
Prime grade sawn cypress
G 20mm diameter strengthening rod inserted into chrome tube (m/s) LM 80
H 70 x 50mm rebated frame LM 360
J 75 X 50mm Tansomes LM 360
K 75 x 25mm Bearer LM 360
Prepare and spray one undercoat and two finishing coats enamel to:
L General timber surfaces SM 202

MB 27
Section No. 2

BILL NO. 13 CONT'D
A Surfaces of timber not exceeding 100mm girth LM 202
B Ditto exceeding 200mm but not ecxeding 300mm girth LM 202
Supply and fix the following ironmongery to architect's approval
C Marlpine hinges PRS 80
D Piano hinges LM 48
E Door pull handle NO 75
F Drawer pull handle NO 36
G Drawer gliders PRS 36
H 25mm diameter chromium plated tube as hanging rail LM 12
J 75mm towel bolt NO 35
K Ball Catches NO 70
Fixtures
Supply and fix the following sanitary wares Armitage or any

other and approved
L Brush/glass holder NO 8
M Kitchen sinc double drainer complete with all accessories NO 2
N Chromium plated shower unit complete with accessories NO 8
P Rectangular shower tray size 600 x 1000mm NO 8
Q Towel hanging rails LM 16
R 1600mm shower curtain rail LM 16
S Dhobi sink NO 2
MB 28
Section No. 2

BILL NO. 13 CONT'D
Prime grade sawn cypress
A 70 x 50mm rebated frame LM 20
B 50 x 25mm bearer LM 20
Prepare and spray paint one and two finishing coats

gloss oil paint to;
C General timber surfaces SM 365
D Surfaces of timber not exceeding 100mm girth LM 395

MB 29
Section No. 2

COLLETION

MB 30
Section No. 2

BILL NO. 14
EXTERNAL WORKS (Roads and Parking areas)
Ramps
A 150mm over site excavations to reduce levels and remove

vegetable soil, spread and level on site as directed SM 412
B Excavate foundation trench n.e. 1.5m deep from stripped level

including for part back filling and disposal of extra soil CM 329.6
C 150mm hardcore sub-base compacted and rolled to fall to 100%

B.S. compaction SM 412
D 50mm thick murram blinding to surfaces of hardcore, compacted

and rolled to atleast 100% M.D.D. standard SM 412
Paved areas
E 225mm oversite excavations to reduce levels and remove vegetable

soil, spread and level on site as directed SM 412
F 150 x 75mm thick precast concrete paving blocks laid on and

including 50mm consolidated sand bed, excavations, 100mm thick
murram sub - base SM 412
MB 31
Section No. 2

BILL NO. 14 CONT'D
Kerbs
A 250 x 125mm precast concrete (1:2:4) kerbs splayed on the edge

and finished smooth all round set on and including concrete grade
15 bed and haunch including all necessary excavations, formwork
and disporsal of surplus excavated materials LM 75
B Ditto butt curved to various radii LM 5
Drying lines
C Excavate pit for post foundation 450 x 450 x 500mm deep including
disposal and concrete (1:3:6) class Q in foundations NO 6
D 1800mm high R.H.S. steel post size 50 x 50 x 3mm thick, one end
with franged lugs and bedded in concrete foundations (m.s.) and
the other end with 25 x 25 x 3 x 600mm long angle section steel
cross bar holed three times for wires (m.s) and 2 NO. 40 x 3 x 400
mm long braces all welded together NO 6
E 5mm diameter mild steel wire as cloth lines fixed to cross bars on
posts (m.s.) LM 30
Perimetre fence
F Excavate for foundations not exceeding 1500mm deep from

existing ground level and cart away CM 90
Mass concrete (1:3:6), class Q
G Foundations ( strip footings, columns and column bases) CM 45
MB 32
Section No. 2

BILL NO. 14 CONT'D
Precast concrete
A 300mm diameter P.C. class 20 decorative sphere including 50mm

thick stand finished fair face on all exposed surfaces including
fixing in position over columns NO 45
Sawn Form Work to:
B Sides of bases SM 18
C Sides of strip footings SM 72
D Vertical sides of columns SM 90

E Assorted steel KG 5400

F 200mm thick walling in foundations SM 270
G 65mm selected random rubble facing to masonry wall in approved

pattern SM 270
H Ditto butt facing bricks to columns SM 45
J Prepare and apply red brick paint SM 49
Grills
K Grills comprising of 25 x 25 x 3mm RHS sections including fixing

to wall SM 270
MB 33
Section No. 2

BILL NO. 14 CONT'D
Gates
A Supply and fix heavy duty gate size 5000 x 2400mm high NO 1
B Ditto butt pedestrian gate size 900 x 1800mm high NO 1
Prepare and apply two undercoats and one finishing coat gloss
paint on metal work
C General surface SM 59
SENTRY
D Allow a provisional of KES. Three Hundred Thousand Only

for sentry and dust bin cubicles ITEM 1
TOTAL
COLLETION
MB 34
Item Bill / Section Page Amount
Section No. 6

SUMMARY PAGE
1 SUBSTRUCTURES MB 4
2 FRAME MB 6
3 STAIRS MB 7
4 WALLING MB 8
5 ROOFING MB 12
6 WALL FINISHES MB 14
7 FLOOR FINISHES MB 15
8 CEILING FINISHES MB 16
9 STAIR FINISHES MB 17
10 BALUSTRADING MB 19
11 WINDOWS MB 23
12 DOORS MB 26
13 FITTINGS MB 30
14 EXTERNAL WORKS MB 34
15 SEPTIC TANK AND ASSOCIATED EXTERNAL WORKS EX 8
16 MECHANICAL WORKS M 8
17 ELECTRICAL WORKS E 3
TOTAL CARRIED TO GRAND SUMMARY
MB 35
Section No. 7

PRELIMINARY COSTS AND PROVISIONAL SUMS
A Allow a provisional sum of KES. Five Hundred Thousand Only for

Electrical / Telecommunication fittings and installations
B Allow for profit (%) and attendance 10
C Allow a provisional sum of KES. Eight Hundred Thousand Only for

plumbing, mechanical installations and underground water tank
D Allow for profit (%) and attendance 10
E Allow a provisional sum of KES. Five Hundred Thousand Only for

contigencies, to be used as part or whole as directed on site
Allow a provisional sum of KES. One Million, Six Hundred

Thousand Only for Professional and Supervisiory Services LS 1
TOTAL CARRIED TO GRAND SUMMARY
PS / 1
Bill Description Amount
Section No. 8

GRAND SUMMARY PAGE CONTRACTOR'S USE
BROUGHT FROM PAGE 20 (FOR INSURANCE

AND OTHER SITE CHARGES BY THE CITY COUNCIL)
BROUGHT FROM PAGE MB 35
BROUGHT FROM PAGE PS / 1
GRAND TOTAL AMOUNT IN FIGURES KES.
AMOUNT IN WORDS :
KENYA SHILLINGS:- THIRTY MILLION, NINE HUNDRED FOURTY FIVE THOUSAND, FOUR HUNDRED
SIXTY TWO. CENTS ZERO ONLY.

CONTRACTOR'S NAME:_____________________________________________________
ADDRESS: ________________________________________________________________
TELEPHONE: _____________________________________________________________
SIGNATURE AND STAMP:
WITNESS NAME: __________________________________________________________
ADDRESS: _______________________________________________________________
SIGNATURE AND DATE:
CLIENT'S NAME: MR. & MRS. ENOS O. OBADO
ADDRESS: 63125 - 00619 NAIROBI
TELEPHONE: +254 712 842 984
SIGNATURE AND STAMP:
WITNESS NAME: ______________________________________
ADDRESS: ___________________________________________
SIGNATURE AND DATE:
GS / 1
Section No. 4

BILL NO. 16 - MECHANICAL WORKS
Supply, deliver, install, test and commission the following sanitary

appliances complete with all the accessories including all connections
to the services, waste, jointing to water supply overflows, supports and
all plugging and screwing to walls and floors.
Note:
(i) All sanitary fittings shall be in approved colour.
(ii) The Model and Ref No. indicated is only a guide to the type and
quality of fittings.
(iii) Equivalent and Approved models may be acceptable.

Water Closet (WC) Pan
A Low level water closet suite in approved colour comprising of W.C.

bowl, ‘p’ or ‘s’ trap connector, heavy duty matching plastic seat and
cover with metal top fixed (chrome plated) hinges. The water closet to
be screwed and secured to floor or wall and complete with horizontal
outlet to BS 3402 with 7.5 litre valveless ceramic cistern and fittings
9 No
including siphon, 15mm diameter side inlet ball valve, 20mm diameter
side overflow, plastic flush bend, inlet connection, and chrome-plated
lever. As Twyfords classic or approved equivalent.
Wash Hand Basin (WHB)
B Wash hand basin size 510 x 420mm with one tap holes and chain stay
hole, 32mm diameter chrome plated pop up chain waste, concealed
wall brackets, chrome plated single tap hole basin mixer as Cobra and
chrome plated bottle trap (32mm 'P' trap) with 75mm seal. The wash 9 No
hand basin to be as Twyfords 'Sola 510' or equal and approved.
Two Range Urinal
C Ceramic urinal bowl complete with 2No. ceramic urinal bowl, chrome
plated flush pipes, 7.5 litres ceramic cistern, 40mm heavy duty plastic
bottle trap and 40mm diameter chrome plated outlet with grating firmly 2 No
fixed on the wall with chrome plated screws. The fittings shall be as
Twyfords or equal and approved.
TOTAL CARRIED TO COLLECTION
M1

A Bathtub
1700 x 800mm heavy gauge porcelain enameled supersteel
bathtub in colour complete with chrome plated grips, 2No taphole, front
panel, side panel, bath/shower mixer with telephone shower and wall 2 No
bracket, and waste. As Luna 1700 model GA 9572 WH or equal and
approved.
Toilet Roll Holder
B Semi recessed toilet roll holder in Vitreous China of size 165 x 165mm
in approved colour as Twyfords 9806WH or equal and approved. 8 No
Mirrors
C 6mm thick polished plate glass silver backed mirror with bevelled
edges, size 610 x 610mm, plugged and screwed to wall with 4No.
chrome plated dome capped screws. The mirror shall rest against a 11 No
layer of 5mm thick foam.
Hand Driers
D Automatic hand drier in white colour, operating on an infra-red

automatic sensing system with heating element safety cut-out
complete with a 30 seconds safety timer, plastic rawl plugs and fixing
screws. The hand drier to have a heating capacity of 2.1kw and
3 No
performance flow rate of 135cfm (3.82m3/min) and to be of size
270x264x143mm deep It shall have a noise level below 72.5 dBA at
1.5m. It shall be as Heatrae Sadia or approved equivalent.
Soap Dispenser
E Wall mounted soap dispenser with a capacity of about one litre having
a press action soap release mechanism complete with fixing screws.
Allow for initial soap supply. As Starmix or approved equivalent. 3 No
Robe Hook
F Robe hook in Satin Aluminium to be mounted by concealed screws to

wall wedges. To be as Twyfords Spectrum 2000 accessories or equal 6 No
and approved.
Flexible Tubing
G 15mm diameter x 300mm long flexible connectors complete with

integral chrome plated angle valve for connecting the sanitary fitting to 10 No
water supply. To be as Cobra or equal and approved.
M2

A Medical Wash Hand Basin

Counter top Twyfords "SOLA L.B.G/L" wash hand basin
with no tap holes and chain stay hole cat. No. WB 1520WH, wall
brackets cat no. SR 1315 xx complete with "lever action mixer fitting,
1/2 with swivel nozzle and divided flow" wall mounted mixer cat. no. SF 1 No
1099 CP, chrome grid waste 11/4" cat no. WF 4341 CP and white
plastic bottle trap 11/4" P-trap cat. no.WF 8482 xx or approved
equivalent.
Soap Dish
B Semi recessed built in soap tray in Vitreous China of size: 305 x
8 No
150mm in approved colour as Twyfords or equal and approved.
Towel Rail
C Chrome plated 20mm diameter x 800mm long approved towel rail and
brackets as one piece, plugged and screwed into the wall. The fitting 20 No
shall be as Twyfords or equal and approved.
Curtain Rail with Shower Curtains
D High quality chrome plated 1,000mm long curtain rail complete with
2No. wall plate, hooks and rollers and approved medium quality 1500 x 2 No
1000mm shower curtains.
Shower Fittings
E Concealed shower fitting consisting of 15mm chrome plated riser pipe

to connect the concealed shower mixer for hot and cold water to a
swivel/ adjustable shower rose, chrome plated handles and stop corks 8 No
and other necessary fittings & accessories. All to be as Bricon/aztec or
equal and approved.
M3

Internal Plumbing Works

Supply, deliver and install pipes, tubing and fittings as described and
shown on the drawings. The pipes shall be PN 25 PPR pipes where
exposed to adverse weather condition and all conforming to the current
European standards for PPR installations and to the Engineers
approval, pipe jointing shall be by polyfusion or use of electric
coupling. Rates must allow for all Metal/plastic threaded adaptors
where required for the connection of sanitary fixtures, valves, sockets,
sliding and fixed joints, support raceways, isolating sheaths, elastic
materials, expansion arms and bends, crossovers, couplings,
clippings, connectors, joints etc. as required in the running lengths of
pipework and also where necessary, for pipe fixing clips, holder bats
plugged and screwed for the proper and satisfactory functioning of the
system. The pipes will be pressure tested before the plastering of wall
commences and as per the manufacturers recommended testing
pressures.
PPR Pipes
A 20mm diameter pipework 90 Lm

B 25mm diameter pipework 52 Lm
C 32mm diameter pipework 24 Lm
D 40mm diameter pipework 9 Lm
Bends
E 20mm diameter bends 36 No.

F 25mm diameter bends 6 No.
G 32mm diameter bends 6 No.
H 40mm diameter bends 6 No.
Tees
J 25mm equal Tees 18 No.

K 32mm equal Tees 6 No.
L 40mm equal Tees 6 No.
Reducers
M 25 x 20mm diameter reducer 12 No.

N 32 x 20mm diameter 6 No.
P 32 x 25mm diameter 12 No.
R 40 x 20mm diameter 6 No.
S 40 x 25mm diameter 6 No.
T 40 x 32mm diameter 6 No.
M4

Unions
A 20mm diameter pipe unions 6 No.

B 25mm diameter pipe unions 3 No.
C 32mm diameter pipe unions 3 No.
D 40mm diameter pipe unions 3 No.
Threaded Fittings
E 20mm male/female threaded 90° bend/Elbow 15 No.

F 25mm male/female threaded 90° bend/Elbow 15 No.
G 32mm male/female threaded 90° bend/Elbow 3 No.
H 40mm male/female threaded 90° bend/Elbow 3 No.
Valves
J 20mm diameter approved medium pressure screw down full way non-
rising stem wedge gate valve to BS 5154 PN 20 for series B rating,
with wheel and head joints to steel tubing and complete with round 6 No.
male threaded transition fittings. The gate valve to be as PEGLER or
approved equivalent.
K 25mm ditto 3 No.
L 32mm ditto 3 No.
M 40mm ditto 3 No.
N 50mm ditto 6 No.
P 32mm non-return valve 3 No.
R 20mm medium pressure ball valve 3 No.
Water Storage Tank
S Supply, deliver and install vertical close end plastic moulded tank of
capacity 920 litres (200 gallons) and diameter 1300 x 860mm high.
The tank to be assembled complete with cover and having screwed
connections for inlet, outlet, overflow, 32mm high pressure ball valve, 12 No.
drain pipes and any other necessary item for its proper functioning.
The tank shall be mounted on a flat roof slab and shall be as ROTO
Model or approved equivalent.
M5

INTERNAL FOUL WATER DRAINAGE
Supply, deliver and install the following UPVC, MUPVC, soil and waste
systems respectively to B.S 5255 with fittings fixed to Manufactures
Printed instructions and manufactured by reputable manufacturers.
Tenderers must allow in their pipework prices for all the couplings,
clippings, connectors, joints etc. as required in the running lengths of
pipework and also where necessary, for pipe fixing clips, holder bats
plugged and screwed for the proper and satisfactory functioning of the
system.
MuPVC and uPVC Waste and Soil pipework
A 100mm diameter heavy gauge golden brown UPVC pipe 81 Lm

B 100mm diameter heavy gauge grey mUPVC pipe 24 Lm
C 75mm diameter heavy gauge grey mUPVC pipe 15 Lm
D 50mm diameter waste pipe 48 Lm
E 40mm diameter waste pipe 18 Lm
F 32mm diameter waste pipe 36 Lm
Bends
G 100mm diameter bend with access 9 No.

H 100mm diameter long radius bend 6 No.
J 75mm diameter long radius bend 6 No.
K 100mm diameter sweep bend 9 No.
L 50mm diameter sweep bend 12 No.
M 40mm diameter sweep bend 9 No.
N 32mm diameter sweep bend 24 No.
Tees
P 50mm diameter sweep tee 6 No.

R 40mm diameter sweep tee 6 No.
S 32mm diameter sweep tee 12 No.
Access Caps
T 50mm diameter access cap 6 No.

U 40mm diameter access cap 6 No.
V 32mm diameter access cap 12 No.
Boss Connectors
W 75 x 40mm diameter boss connector 12 No.
M6

Reducing Sockets
A 100 x 75 reducing socket 6 No.
B 100 x 50 reducing socket 6 No.
C 50 x 40 reducing socket 12 No.
D 40 x 32 reducing socket 6 No.
WC Connectors
E 100mm diameter WC connector 9 No.
Traps
F 100 x 50mm diameter floor trap and grating 18 No.

G Standard 300 x 300 x 450mm masonry gully trap complete with
15 No.
125mm thick reinforced concrete cover.
Weathering Slates and Vent Cowls
H 100mm diameter weathering slate and apron. 6 No.

J 100mm diameter vent cowl 6 No.
Portable Fire Extinguishers
Supply, deliver, install, test and commission the following portable fire
extinguishers and conforming to BS EN 3 / BS 1449.
Water/Carbon Dioxide Gas Fire Extinguisher
K 9 litres water/carbon dioxide gas portable fire extinguisher complete

with pressure gauge, initial charge and mounting brackets. 2 No
Carbon Dioxide Gas Fire Extinguisher

L 5kg carbon dioxide gas portable fire extinguisher complete with
2 No
pressure gauge, initial charge and mounting brackets.
Dry Chemical Powder Fire Extinguisher

M 9kg dry chemical podwer portable fire extinguisher complete with
2 No
pressure gauge, initial charge and mounting brackets.
Manual Alarm Bell

N 9" (225mm) manual operated alarm bell (Gong) 5 No
Fire Notices
P Allow for fire signage for the hose reel system, fire exits and fire
instructions as as described in the particular specifications and to the 5 No
Project Engineer's approval.
R Testing and Commissioning 1 Item
M7

COLLECTION
1 Total carried forward from page M1 …………………
6 Total carried forward from page M6 ……………………
7 Total carried forward from page M7 ……………………

M8
Section No. 5

BILL NO. 17 - ELECTRICAL INSTALLATION WORKS
Supply, install, test and commission the following :
LIGHTING POINTS
A Lighting point wired in 3x1.5mm2 SC-PVC-Cu cables drawn in 20mm
diameter HG PVC conduits concealed inside ceiling complete with all
necessary accessories excluding switches and fittings for one way
switching.
122 No.
B Ditto but for two way switching 6 No.
C 10A moulded ivory switch plates as Crabtree or approved equivalent

as follows:
i). one gang one way 98 No.
ii). one gang two way 12 No.
iii). two gang two way 12 No.
LIGHTING FITTINGS
D Light fittings complete with fixing accessories and lamps as follows:-
i) 1200mm 1 x 36w Fluorescent batten fitting of slim crosssection with

clip-on cover plate and adjustable end cap system. As Thorn Popular
Pack Batten or approved equivalent. 6 No
ii) Pendant set complete with 10A 3-plate ceiling rose, BC lampholder
and flexible cord. 48 No
iii) Spherical ball fitting complete with energy saving lamp as Thorn of
approved equivalent. 8 No
iv) Strip light complete with 120/240V switched shavers socket outlets
and a pull switch for the strip light as Thorn 8 No
SOCKET OUTLETS AND POWER POINTS

E Socket outlet point comprising wiring in 3x2.5mm2 PVC-SC-Cu cables
in concealed in 20mm HG pvc conduits. 102 No.
F 13A 2-gang switched moulded socket outlet plate as Crabtree or

approved equivalent. 102 No.
G Cooker point comprising wiring in 3x6.0mm2 PVC-SC-Cu cables in

concealed PVC conduits. 4 No
H Instant shower heater complete with accessories NO 8

E1

A
45A Cooker control unit incorporating a 13A switched socket outlet and
neon indicator lamp as MK range or approved equivalent. 2 No
B Cooker connector as MK or approved equivalent 2 No
C Water heater point comprising wiring in 3x4.0mm2 PVC-SC-Cu cables

in concealed PVC conduits. 4 No
D 20A DP switch with neon indicator lamp as Crabtree or approved

equivalent 2 No
E 45A DP switch with neon indicator lamp as Crabtree or approved

equivalent 2 No
CONSUMER UNITS/DISTRIBUTION BOARDS

F 11-way SP/N consumer unit flush mounted on wall complete with a
100A SP/N integral isolator as CRABTREE or approved equivalent.
2 No.
G Single pole Miniature Circuit Breakers to fit into the above consumer
unit as follows:
(i) 5A SP 2 No
(ii) 20A SP 2 No
(iii) 30A SP 6 No
(iii) Blanking plates 6 No.
SUB-MAINS CABLES AND OTHER ITEMS

H 3 x 16.0 mm2 single-Core copper cables drawn inside HG conduits.
180 LM
J Twin tariff meterbox made from gauge 14swg complete with bonding
screws/bolts and viewing glass. 1 No
K 63A SP switchfuse (KMBG) 4 No
L Electrical earthing comprising 6.0 mm2 single-Core copper cables

drawn inside HG conduits, 1500mm by 15mm diameter copper
electrode complete with clamp and a pre-cast concrete inspection pit
with cover.
1 item
M TV point comprising 75 ohm co-axial cable drawn inside conduits from

roof top to TV point say 20m. 11 No.
N TV outlet plate as MK range or approved equivalent 11 No.

P Door bell point wired in 3x1.5 sq.mm cables in conduit 2 No.
E2

A Bell push as Crabtree or approved equivalent 2 No.
B Electric bell/chime to engineer's approval 2 No.
C 20Litres cylindrical water heater NO 2
COLLECTION
1 Total carried forward from page E1 …………………
2 Total carried forward from page E2 …………………
3 Total carried forward from page E3, above …………………

TOTAL CARRIED TO SUMMARY 0.00
E3
Section No. 3

BILL NO. 15 - SEPTIC TANK AND ASSOCIATED

EXTERNAL WORKS
A Excavate for pit not exceeding 1.5m deep commencing

from ground level. Cm 34
B Ditto between 1.5-3.0m deep Cm 22
D Imported murram filling well watered and compacted to edges Cm 35
E Ditto but 200mm thick blinding under floor bed compacted Sm 12
F Load and cart away excavated materials. Cm 163
G Extra over for excavating in rock of any class Cm 29
G 50mm thick plain concrete 1:4:8 blinding under floor bed Sm 29
H Ditto in benching average 200mm high, in manhole

size 600 x 850mm, including forming 150mm diametre
half round main channel. No. 2
Vibrated reinforced concrete 1:2:4 to:-
J 150mm floor bed laid to falls not exceeding 15 degrees from

horizontal. Sm 13
K Ditto manhole footing Sm 1
L 200mm thick suspended scum baffle walling Sm 3
M 200mm thick scum baffle walling with slats Sm 3
N 200mm thick extenal walling Sm 44
P 150mm thick cover slab. Sm 13
Sawn formwork to:-
R Sides and Soffites of suspended scum baffle. Sm 11

Carried to collection 0.00
EX 1

A Sides of extenal walling Sm 115
B Soffites of cover slab. Sm 11
C Boxing to ditto for manhole cover(m.s) opening size

450 x 600mm. No. 3
D Sides and edges of cover slab 150-225mm high. Lm 28
Reinforcement
E B.R.C mesh ref A.142 (nett) to baffle walling Sm 6
F 8mm diameter high tensile bars Kg 171
G 10mm diameter bars Kg 132
H 12mm diametre high tensile square twisted bars. Kg 356
J 20mm cement sand 1:2 floor screed, water proofed

with pudlo and trowelled smooth, not exceeding 15
degrees to horizontal with sulphate resistant cement. Sm 12
K Ditto to sides and soffites of suspended scum baffles. Sm 11
L Ditto to walls both sides Sm 78
M Ditto to top and sides of cover slab Sm 30
N Ditto edges of slab Sm 4
P Light duty cast iron(grade "c") manhole cover and frame

size 600 x 450mm with 37 Kg weight including bedding
frame in cement and sand mortar 1:2 and setting cover
in greese. No. 3
R 100mm diametre P.V.C inlet pipe with equal "Tee"

450mm long. No. 2
Carried to collection
EX 2

A 100mm diametre U.P.V.C out-let pipe 750mm long No. 1
B Form or leave 150mm diametre hole in 250mm walling. No. 4
C Allow for plunking and strutting item
D Allow for keeping excavations free from water item
Carried to collection
COLLECTION
Brought forward from pg EX 01
'' '' '' pg EX 2 0.00
" " " above 0.00
TOTAL FOR SEPTIC TANK CARRIED TO


FOUL DRAINAGE (all provisional)
High grade soil, waste and vent pipes as "key terr-

ain" P.V.C soil waste and vent pipes including
couplings and all fixing brackets. To nearest manhole
A Excavate trench for 200mm diametre drain pipe not

exceeding 1.5M deep and average 500mm deep
including fitting in, compacting, grading bottoms
and desposing surplus soil. Lm 32
B Ditto average 750mm deep ditto. Lm 29
C Ditto average 1000mm deep ditto. Lm 13
U.P.V.C pipes class 41

D 150mm diametre high grade u.p.v.c golden brown
pipe and fittings, laying, and jointing in trench
including backfilling. Lm 74
E 100mm diameter vent pipe Lm 19
F Allow for keeping excavation free from water item 1
G Allow for testing the whole of the foul drainage to the

satisfaction of P.m
TOTAL FOR FOUL DRAINAGE CARRIED TO

EX4

1-No. SOAK- PITS- as measured
The following in 1-No soakpits as per drawing No.

M.o.W(50) 5345
A Excavate pit not exceeding 1.5m deep starting from

original ground level Cm 3
B Ditto between 1.5m-3.0m deep. Cm 2
C Ditto between 3.0m-4.5m deep. Cm 2
D Ditto between 4.5m-6.0m deep. Cm 2
E Ditto between 6.0m-7.5m deep. Cm 2
F Extra-over excavation for excavating in rock class A Cm 2
G Cart away surplus excated materials from site. Cm 15
H Return, fill-in and consolidate excavated materials

around foundations. Cm 4
J 200mm (mean) diametre natural stones filling

loosely packed. Cm 11
K Mass concrete 1:3:6. Cm 1
L 150mm thick vibrated reinforced concrete 1:2:4 in

cover slab. Sm 1
M 12mm diametre high tensile square twisted bars to
B/s 4449 Kg 20
N Steel fabric reinforcement B.R.C mesh No.65 Sm 1
Sawn formwork to:-

P Soffites of suspended slab Sm 1
Q Edges of suspended cover slab girth 75-150mm. Lm 6
CARRIED TO COLLECTION
EX 5

A Boxing to form opening size 600x450mm in 150mm

thick suspended cover slab, rebated all round. No. 1
B Form or leave 150mm diametre hole in 150mm

thick block walling. No. 1
C Building in, 150mm diametre drain pipe through

150mm thick walling and make good in cement
sand render 1:3. No. 1
Solid concrete block walling in cement sand mortar

1:3:-
D 150mm walling coved on plain 740mm radius. Sm 4
E 12mm thick cement sand 1:4, rendering coved

to wall radius both sides Sm 3
F Ditto but to top and edges of suspended slab both sides Sm 3
G Cast-iron light duty (grade'c') manhole cover and

frame size 600x450mm, 37KG weight including
bedding frame in cement sand 1:3 and setting
cover in grease. No. 1
COLLECTION
'' '' '' Above
Total for one No. soakpit
Total for 2 No.
EX 6

MANHOLES(all provisional)
The following in 8No. Manholes
A Excavate manhole pit not exceeding 1.5m deep. Cm 2
B Ditto 1.5m-3.0m deep. Cm 1
C Return, fill-in and consolidate excavated materials

around manhole walls. Cm 1
D Remove surplus excavated materials and deposit on

site as directed. Cm 2
E Extra-over excavation for excavating in rock class'A' Cm 1
F 100mm thick mass concrete 1:3:6 in manhole base. Sm 2
Precast Concrete
G 150mm thick precast conrete 1:2:4 in manhole cover

slab size 1380mmx1180mm, reinforced with 8mm
diametre at 80mm centres both ways with rebated
opening for 450x600mm cover and frame finished
smooth including any necessary formwork. No. 1
Benching
H Concrete 1:3:6 in benching to bottom of manholes
internal size 1000mmx800mm including haunching
to a height of 200mm above channel and rendering
in cement 1:2 trowelled smooth. No. 1
J Make or leave hole through 200mm concrete wall

for 150mm diametre pipe(m.s) built-in and make
good walls and render all round. No. 2
Extra-over benching to forming the following channels

with external rounded angles with slopping top of
benching:-
K 150mm diametre half-round section straight main

channel 1000mm long. No. 1
EX 7

Manholes Cont.
A Ditto but curved 900mm long. No. 1
B 200mm thick solid concrete block walling in cement

sand mortar 1:3. Sm 3
C 12mm thick cement sand 1:2 plaster to ditto with

approved water-proofing admixture to internal sides
of manholes trowelled smooth. Sm 2
D Ditto but render to top and sides of cover slab and

walling. Sm 3
E Cast-iron grade 13 (Medium) duty single seal flat

type manhole cover size 600mmx450mm weighing
37kg and setting frame in cement sand mortar 1:3
and cover in grease. NO. 1
COLLECTION

'' '' '' Above
Total for 1 No. manhole
NO 8
Total for 8 manholes
COLLECTION
BROUGHT FROM EX 3, SEPTIC TANK
BROUGHT FROM EX 4, FOUL DRAINAGE
BROUGHT FROM EX 6, SOAK PITS
BROUGHT FROM ABOVE, MAN HOLES
TOTAL COLLECTION CARRIED TO SUMMARY
EX 8

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Item Description Unit Qty Rate Amount

PROPOSED REMODELLING & REDEVELOPMENT OF HOUSE IN

B Excavation average 200mm deep to remove top vegetable soil

D Ditto but foundation trench n.e. 1.5m deep starting from

E E.O Excavation for column bases CM 150 850.00 127,500.00

Plunking and strutting ; Keep excavation free from water

G Allow for maintaining and supporting sides of excavations and

H Return, fill and ram selected imported murram material around

I Load, wheel and deposit surplus excavated materials where

J Under floors compacted in 300mm layers CM 200 1,200.00 240,000.00

TOTAL CARRIED TO SUMMARY 3,492,500.00

A Chemical anti-termite treatment executed complete by an

Damp Proof Membrane

B 500 gauge polythene or any other equal and approved D.P.M.

C 50mm thick concrete (1:4:8)blinding under column bases SM 45 8,500.00 382,500.00

Reinforced concrete (1:2:4) as directed in;-

D 400mm thick concrete in column bases CM 50 13,500.00 675,000.00

E 150mm thick surface bed CM 80 13,500.00 1,080,000.00

F stairs starter CM 0 1,500.00 0.00

G Beam CM 0 13,500.00 0.00

H Foundation columns CM 20 13,500.00 270,000.00

Square twisted mild steel reinforcement in structural concrete work

I 8mm diameter bars in ground beams KG 0 150.00 0.00

J 10mm ditto in reiforced slab KG 0 150.00 0.00

K 16mm ditto in foundation columns KG 500 150.00 75,000.00

L 8 mm Ditto KG 200 150.00 150,000.00

M 12 mm Ditto KG 1500 150.00 150,000.00

TOTAL CARRIED TO SUMMARY 2,568,500.00

BILL NO. 1 CONT'D

Mesh fabric reinforcement to BS 4483 and setting in concrete

Sawn Form Work to:

B Vertical sides of ground beams SM 0 540.00 0.00

C Sides of vertical columns and column bases SM 200 600.00 120,000.00

Walling in natural stone coursed stone obtained from an approved

E 200mm thick walling in foundations SM 750 1,500.00 1,125,000.00

F 200mm wide horizontal layer LM 450 150.00 67,500.00

12mm cement and sand (1:3) render on stone or concrete work

G Concrete or masonry walling plinths SM 270 350.00 94,500.00

Prepare and apply two coats black bituminous paint to:

H Rendered concrete or stone surfaces SM 270 350.00 94,500.00

Collection brought from MB 1 3,492,500.00

Collection brought from MB 2 2,568,500.00

Collection brought from above 1,735,500.00

TOTAL CARRIED TO SUMMARY 7,796,500.00

A Beams and ring beams CM 220 13,500.00 2,970,000.00

B 150mm suspended slab CM 200 13,500.00 2,700,000.00

C Columns CM 50 13,500.00 675,000.00

Precast concrete class 20 (12mm aggregate) including form work

D 200x700mm fins, reinforced with and including four 12mm diameter

REINFORCEMENT ( ALL PROVISIONAL)

Mild steel round reinforcement bars to BS 4449 in structural

E 16mm diameter bars KG 2000 150.00 300,000.00

Mild steel square twisted reinforcement bars to BS 4461 in

F 12mm diameter bars KG 8600 150.00 996,000.00

G 10mm ditto KG 4200 150.00 630,000.00

H 8mm ditto KG 6000 150.00 900,000.00

TOTAL CARRIED TO SUMMARY 9,171,000.00

BILL NO. 2 CONT'D

SAWN FORMWORK TO:

A Soffits of slabs SM 400 600.00 240,000.00