REPAIR MAINT REPLACEMENT OF WATER SUPPLY PIPE LINES VALVES AND VALVE CHAMBER INCLUDING CONNECTED ACCSSORIES IN MD ACCN AT MIL STATION AGARTALA

Amount

Schedule'A' Part-I: E&M works

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for laying of pipe and getting out in soft/loose soil complete all as specified and directed.

Removing excavated material not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Returning, filling in, spreading, levelling, watering and well ramming in layers not exceeding 25cm thick above ground level in soft/loose soil complete all as specified and directed.

Cutting existing 100mm bore galvanised iron pipe including screwing/threading for alterations or additions and S&F of new galvanised iron union of 100mm dia (ISI marked) complete all as specified and directed.

All as per item No. 4 described here-in-before but of 80mm bore galvanised iron pipe.

All as per item No. 4 described here-in-before but of 50mm bore galvanised iron pipe.

Taking up & down in trenches / floors/walls of old 100mm bore GI tubing, medium grade and connections including cleaning for re-fixing or removal to store from any position complete all as specified and directed.

All as per item No. 7 described here-in-before but of 80mm bore galvanised iron pipe.

All as per item No. 7 described here-in-before but of 50mm bore galvanised iron pipe.

All as per item No. 7 described here-in-before but of 40mm bore galvanised iron pipe.

Re-laying in trenches /floors/walls of GI tubing, medium grade, 100mm bore medium grade with provn of new fittings as required, laid in trenches including testing complete all as specified and directed.

All as per item No. 11 described here-in-before but of 80mm bore galvanised iron pipe.

All as per item No. 11 described here-in-before but of 50mm bore galvanised iron pipe.

All as per item No. 11 described here-in-before but of 40mm bore galvanised iron pipe.

Supply & fixing and testing sluice valve of 100mm dia bore flanged and drilled both ends Cast Iron body, heavy duty, class PN-1.6, brass spindle conforming to IS-14846, brass rings and iron wheel head including jointing with and including rubber gaskets, bolts, nuts & washers complete and dismantling suitable for 100mm bore pipe with flanged ends duly drilled, brass spindle, CI gate with brass rings and iron wheel head including dismantling taking out old unserviceable sluice valve including cutting unscrewing old nuts, bolts and removing from site of work complete all as specified and directed .

All as per item No. 15 here-in-before but for 80mm dia bore

M&L for construction of brick masonry valve pit of internal dimension 1200mm x 1200mm x 1200mm with PCC 1:4:8 type D-2 for foundation including 15mm thick plastering in cement mortar 1:4 inside the chamber and the external portion exposed above ground level, including necessary earth work in soft/loose soil well ramming of soil around the constructed chamber complete with mild steel angle iron frame work of size 40x40x6mm and 3mm thick mild steel sheet cover, openable through hinges of suitable size, handle and necessary locking arrangements and painting to steel surfaces with two coats of synthetic enamel paint (1st grade quality) over a coat of red oxide zinc chrome primer after preparation of new surfaces including demolition of existing unserviceable valve pit complete all as shown on drawing of CESZ No :TD/EM/06and as specified.

All as per item No. 17 here-in-before but for valve pit of internal dimension 900mm x 900mm x 900mm

M&L for surface excavation n.exc 30 cm deep and averaging 15cm deep and getting out on soft/loose soil including site clearance by cutting of shrubs, cutting of grass, bush weed, trees, sapling not exceeding in 30cm girth and removal of grass with roots and levelling area and removal of same outside not more than 50m, making clean complete all as specified and directed .

Supply and laying 3 layer PP-R polypropylene random copolymer concealed pipes of size 63 mm bore SDR 7.4 (PN-16/11) UV stabilised and anti-microbial fusion welded having thermal stability for water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to laid in trenches complete all as specified and directed. Make: SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion Note:- Excavation & earthwork shall be measured and paid separately

All as per item No. 20 described here-in-before but of 50mm dia bore pipe. Make: SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion

Supply, laying, jointing and testing 3 layer PP-R polypropylene random copolymer concealed pipes of 32 mm bore SDR 7.4 (PN-16) confirming to IS 15801:2008 standards UV stabilised and anti-microbial fusion welded having thermal stability for water supply including all PP-R plain & brass threaded polypropylene random fittings such as elbow, socket, Tee, bend etc. fixed complete to walls, ceiling or in floors complete all as specified and directed Make: SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion

All as per item No. 22 here-in-before but for 25mm bore Make: SFMC or equivalent make of Relience/Prince/Vectus/Jindal/fusion

S & F for 63mm dia PP-R gate valves (Brass insert) with iron wheel head, screwed down both ends with iron pipe after and including taking down/up old unserviceable GI/PP-R gate valve complete all as specified and directed . Make: SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion

All as per item No. 24 here-in-before but for 50mm bore Make: SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion

All as per item No. 24 here-in-before but for 32mm bore Make: SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion

All as per item No. 24 here-in-before but for 25mm bore Make: SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion

S&F female threaded socket for PPR pipe of size 25mm-1" for fixing of float valve in over head water tank complete all as specified and directed . Make: Cat No. 20251 of SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion

S&F PP-R Ball (float) valve (brass insert) (ballcock body) with epoxy coated Al Rod & HD ball of size 25 mm dia for PVC over head tank inside PPR pipe including taking out old unserviceable float valve complete all as specified and directed Make: SFMC or equivalent make of Reliance/Prince/Vectus/Jindal/fusion

M/S SANKAR GOPE

M/S PAUL ENTERPRISE