3. Specification: Internal water supply piping - CPVC pipes. 4. Specification: Internal sanitary piping system.

- PVC SWRpipe
a. All internal cold / hot water supply piping shall be CPVC a. All internal sanitary pipes and fittings shall be of PVC SWR type 'A'
FFL FFL SDR11 pipes and fittings. (4kg/sq.cm) class suitable for jointing with solvent cement.
b. Chases for internal water supply piping shall be made using b. The pipes and fittings shall be stored in shade away from direct
Inlet cutting machine only, hand chistelling for chasing shall not sunlight on a level surface and covered using a Plastic film / Weather
be acceptable under any circumstances. proof cloth.
c. The pipe chases for cold & hot water pipes shall be 25mm c. The solvent used for jointing shall be as per manufacturer's
wide & 35mm deep from the rough plastered wall surface for recommendations. The solvent shall be stored in a cool dark place.
50 150/200 20mm dia pipes. The solvent used shall not be more than 6 months old (from the date
d. All internal hot water supply pipes shall be insulated with of manufacture).
Outlet 6mm thick synthetic preformed rubber insulation. The fittings d. The solvent decanted from a large can into small cans shall not be
Geyser
shall be insulated with 2mm thick self adhesive synthetic used for more than one day. The solvent bottle shall at all times be
rubber tapes. kept tightly capped to avoid solvent's in the solvent cement from
Geyser as per Over head e. The corrections required in pipe routings, fixing of clamps vaporising.
toilet location shower for the water supply piping shall be made and tested before e. The pipes shall be cut square using hacksaw and end bevelled. The
concealing the water pipes. surface of the pipe & inner surface of the fittings shall be cleaned
f. The internal water supply piping shall be subjected to a using mild soap,the surfaces allowed to dry before jointing.
hydraulic pressure test by applying 7kg/sq.cm pressure and f. Solvent cement shall be applied in thin coats over both the pipe
observing for a duration of 24 hours. If there is any loss of # H No 8-2-684/III/15, Bhavani Nagar, Road No:12,Banjara Hills,
surface and the inner surface of the fitting. Hyderabad 500 034Ph No - 040 2333 5353, Cell : +91 9948335353
HWS CWS 950 pressure between 6 and 24 hours, the test is to be repeated g. The formation of pipe sockets by heating the pipe is not acceptable e-mail: designspace3d@gmail.com
DESIGNSPACE
after rectification of the leakages in the piping. under any circumstances. Couplers can be used to make joints of
100mm thick ledge wall 800 2 in wall mixer g. Holes required for the water pipe to connect to the vertical in plain barrel pipes and fittings.
ducts shall be made using drilling machines upto 40mm h. The sanitary piping on completion shall be filled with water by capping
150 diameter and with core cutters for higher diameters. the outer ends and testing for water tightness. The piping shall be
Mirror EWC Single lever h. The outlets of tap fittings shall be plugged using PVC plugs
1500 filled with water for a duration of 24 hours and tested. In case there is
shower panal after testing. no leaks or sweating observed at joints, the piping can be encased in
800
Paper roll Only mixer with i. The operating spindles of concealed fittings such as flush
Liquid soap concrete.
holder telephonic shower valves, stop cocks, divertors etc., shall be covered with
holder 150 i. The piping shall under no event be disturbed during encasing after
Health 1350 polystyrene (thermocole) / plastic covers and thin operating the water tightness testing is found to be satisfactory. Legend:
faucet 2100 needles / assemblies to be removed, the same can be j. Bores & holes required in the slabs & beams for sanitary piping shall
1000 refixed later during finishing. be made by placing one size higher diameter PVC pipe during CWS Cold water supply pipe
Single lever
AC j. All CPVCthreaded outlets shsall be fixed properly using concreting or made using core cutters. Hot water supply pipe
AC concealed divertor CWS HWS
150 clamps and CM 1:2 while concealing. k. The surface of the pipe to be grouted in the slab / beam bores /
H C 1050 950 300 Connection
k. Colour pigment cement mortar of proportion 1:4 shall be cutouts shall be made rough by filing the surface or by applying a thin MWS Muncipal water supply pipe
800 used for concealing CPVC pipes. coat of solvent cement and sprinkling fine sand on the surface of the
Bottle trap AC 800 750 800 1000
l. All internal water supply piping shall be at 400mm for cold EWC Floor mounted EWC with integrated cictern
HWS pipe to ensure proper adhesion with the grout.
200 550
450 350 400 CWS 400 500 900
Shower panel and hot water pipes / 500mm, 1200mm for flush water. the l. Bores and slabs shall be pressure grouted using non shrink grouts / AC 15mm Angle stop cock
400 2 in 1 level of horizontal pipe run for cold and hot water shall be
FFL 200 PVC rings & non shrink grouts. m. The floor traps shall be fixed
bibtap decieded at site with minimum number of cross overs. CV Ball valve
perfectly flat to ensure proper water seal.
m. The solvent cement used for CPVC pipes shall be obtained n. The soil & waste pipes shall be laid parallel to each other, in the event
Tile drop as per manufacturers recommendation and should not be they are to cross over, care to be exercised to lay them in such a
more than 6 months old. manner to acheive proper slopes.
n. The solvent cement once opened shall be used up on the o. Slopes for internal sanitary piping: For 75mm pipe - 1:40 For 110mm
same day, it should not be reused on the next day. Small pipe - 1:60
quantity packs are to be used if the quantity required is p. Floor cleanouts to be provided in case of horizontal headers where
small. necessary slopes / straight connections cannot be acheived.

Typical mounting heights for toilets (Reference for heights only)(Option-1) Wall mounted EWC. 1. General notes:
01
Scale: 1:25 a. Follow figured dimensions only.
b. All dimensions are in units as mentioned, unless otherwise specified.
c. All dimensions shown are finished dimensions.
FFL FFL
c. Read all related architectural, structural and other service drawings along
with this drawing. In case any discrepancy is observed in this drawing or
Inlet between architectural & other services drawings please intimate the
consultant's office before proceeding with the work.
d. Allow for wall finishes in the toilets while roughing in the dimensions of
piping.
50 150/200
i. 25mm from unplastered wall for plaster and tiling.
ii. 15mm from rough platered wall tiling.
Outlet iii. 40mm from bare wall for marble/ granite dado.
Geyser
iv. 30mm from rough platered fro marble / granite dado.
Over head e. Intimate the consultant's office regarding any changes required to be made
Geyser as per due to site conditions, before proceeding with the execution of the work.
toilet location shower
f. Check all levels at site before commencing the execution.
g. All levels are in meters.

2. Specification: External exposed water supply piping - CPVC pipes

a. All external cold / hot water supply piping shall be CPVC SDR11 pipes and
HWS 950
CWS fittings.
800 b. All external exposed water supply pipes and fittings shall be painted with two
2 in wall mixer
coats of polyurathene paint. The colour coding of pipelines shall be in
150 conformation to IS specifications / as speecified by the consultant.
c. All external hot water supply pipes shall be insulated with 6mm thick synthetic
Mirror Single lever
1500 preformed rubber insulation. The fittings shall be insulated with 6mm thick
shower panal
Paper roll
800 synthetic rubber insulation glued using synthetic rubber based adhesive. The
Only mixer with
Liquid soap holder sysnthetic rubber insulation shall be provided with a suitable diameter PVC
telephonic shower
holder Health 150 sleeving of 4 kg/sq.cm. class. The PVC fittings may be cut and pasted over
EWC
faucet 2100 the pipes at joints.
d. The external exposed vertical pipes shall be clamped at 2m c/c vertically and
1000
Single lever
AC AC concealed divertor CWS
H C 150
950 300 Connection clamps. Horizontal pipes shall be supported on 150mm wide concrete blocks
800 300mm high with suitable profile on top to ensure proper pipe support and
800 1000
alignment.
Bottle trap AC 800 750 HWS
550 e. The corrections required in pipe routings, fixing of clamps for the water supply
200
450 350 400 CWS 400 500 900
Shower panel piping shall be made and tested before connecting internal & external the
400 2 in 1
FFL water pipes.
bibtap 200 AC
f. The entire water supply piping shall be subjected to a hydraulic pressure test
by applying 7kg/sq.cm pressure at the highest point in the system and
Tile drop
observing for a duration of 6 hours. If there is any loss of pressure between 1
and 6 hours, the test is to be repeated after rectification of the leakages in the
piping.
g. Holes required for the water pipes in walls & slabs shall be made using drilling
machines upto 40mm diameter and with core cutters for higher diameters.

Typical mounting heights

Typical mounting heights for toilets (Reference for heights only)(Option-2) Floor mounted EWC.
02
Scale: 1:25 for toilet.

1:25 03-12-13 Naqeeb Balu S.C.V 1 of 2

Job code Drawing number Revision

2013-06 MP-P3-001 0