The document provides specifications for constructing a stand post type water monitor.
The monitor body, joints, wheel, flange and valve are made of copper alloy while the barrel is steel. Nozzle and pickup tube use specific materials.
It must discharge 1750 lpm at 7kg/cm^2 pressure and rotate 360 degrees horizontally and 125 vertically. Drainage and mounting features are described.
SignatureofTenderer SignatureofAcceptingAuthority
SPECIFICATION FOR WATER MONITOR
CORRIGENDUM 2 FOR TENDER NO: CON/EP/DER/FF/700/T-I/2012
Fire Fighting works with Construction of Pump House, Fire Detection System, Fire Hydrants etc. at ICD/Dadri including AMC
Container Corporation of India Ltd. C-3, Mathura Road, Opposite Apollo Hospital, New Delhi 110076 SignatureofTenderer SignatureofAcceptingAuthority 1. SCOPE This specification covers the general requirements regarding the material, design and construction, performance and test for stand post type water monitor.
2. MATERIAL 2.1. Monitor body, swivel joints, worm wheel, base flange and change over valve assembly shall be made of copper alloy confirming to IS:8442 Cl. 3.3.1. Body shall be of C.S. pipe heavy grade to IS: 1239 and base flange shall be of M.S.to IS 226 or IS 6392. 2.2. Water barrel shall be M.S. seamless pipe to IS:1239 heavy grade. 2.3. Water nozzle shall be made from copper alloy as specified in IS: 8442 Cl. 3.3.1. 2.4. Pickup tube shall be made from rubber hose with chrome plated brass strainer. 2.5. Worm gear for traverse mechanism shall be made from phosphorus bronze or copper alloy as per Cl. 3.3.1 of IS: 8442. 2.6. Nuts and bolts for base flange and change over valve shall confirm toIS:1367 Cl.10.9 and 12 respectively while gasket shall be of CAF 40 to IS:2712. 2.7. Drain valve shall confirm to IS: 778 class 2. Locks on swivels shall be made of brass to IS:291.
3. DESIGN AND CONSTRUCTION 3.1. Monitor shall be capable of discharging 1750 lpm at a pressure of 7 Kg/cm2. 3.2. It shall have traversing mechanism to give 360` in either direction in horizontal plane and 125` in vertical plane (80`, -45`) through geared unit with worm wheel operated by separate hand wheel for horizontal and vertical rotation. Swival joints shall be provided both for horizontal and vertical rotation. The arrangement shall be such that monitor shall be self lockingtype and operated by a single person. 3.3. The valve shall be lever operated type. 3.4. The monitor shall be mounted on a 100mm (4) N.B. flat face slip on type flange confirming to ANSI B 16.5 150lbs rating. Bolts and nuts for base flange shall have dimension confirming to ANSI B 16.5 Gasket shall be full face 3mmthick with drilling dimension same as for flange. 3.5. 3.5 Near the base flange a drain connection shall be provided with a 15mm (1/2) NB drain valve at the end of pipe. The drain pipe shall be long enough to drain water away from the base flange. SignatureofTenderer SignatureofAcceptingAuthority 3.6. 3.6 The threaded end of the water nozzle shall be hexagonal to facilitate screwing of the nozzle on the water barrel with nozzle spanner. Threads shall confirm to IS:2643 (Pt.-1) with class A tolerance. 3.7. 3.8 The inner surface of the nozzle shall be finished smooth and polished for the converging length of the nozzle.
4. HYDRAULIC PERFORMANCE 4.1. Monitor shall be capable of discharging 1750lpm at a pressure of 7 Kg/cm2. 4.2. The horizontal ranges for water jet shall be 60m and 45m respectively while the vertical throw shall be 30m and 20 to 25m respectively.
5. WORKMANSHIP AND FINISH 5.1. All the parts shall have good workmanship and finish. All burrs and sharp edges shall be removed and nozzle shall have smooth finish.
6. ANTICORROSIVE TREATMENT AND PAINTING 6.1. All steel components subject to direct water shall be hot dipped galvanized to a minimum thickness of 0.12mm. The thickness of coating shall be measured as per IS:3203. External surfaces and non ferrous components may wetted with lead tin alloy by electrical deposition process. 6.2. Monitors steel part shall be painted with fire red colour confirming to IS: 5 shade no. 536 and the paint shall confirm to IS:2932 and copper alloy part shall be polished.
7. TEST 7.1. Monitor shall be tested to fulfill requirements at clause 4.0. 7.2. The entire assembly shall be hydraulically tested to a pressure of 2.1 MN/M2 (21 Kgf/Cm2) for 5 minutes without any leakage.
8. MARKING 8.1. Each monitor shall be clearly and permanently marked with the following: 8.1.1. Manufacturers name or trade mark SignatureofTenderer SignatureofAcceptingAuthority 8.1.2. Year of manufacture 8.1.3. Purchasers name
9. APPROVED MAKE 9.1. Following approved makes or alternatively as approved by CCI should be considered 9.1.1. New Age 9.1.2. Winco 9.1.3. HD Fire This will also form part of the tender document and all tederes have to sign and attach this alongwith the tender document. All other terms and conditions remain unaltered.