GE(U)/CHM-14/2021-22 - PROVN OF REPAIRS CUM MAINTENANCE AND RENEWAL OF CLOGGED / CORRODED DISTRIBUTION WATER SUPPLY PIPE LINES AND CONNECTED ITEMS OF WORK AT JCO/ORs MD ACCN AND OTM ACCN AT CHANDIMANDIR CANTT

Amount

Excavation in trenches for foundations, laying / taking out of pipes / cables etc, in any type of soil, n.exc 1.50 m in width and n.exc 1.50m in depth and getting out complete all as specified and as directed

All as per the description of Serial Item No 1 herein above but depth exceeding 1.50 m and n.exc 3.00 metre

Returning, filling in soils, in trenches, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed

Removing excavated soils to a distance exceeding 50 metres and not exceeding 100 metres and depositing where directed at a level not exceeding 1.50 metre above the starting point.

Cement concrete (1:2:4) type B-1, (using 20mm graded crushed stone aggregates) as in coping, blocks, bed plates, kerbs etc including weathering, slightly rounded or chamfered angles and throating as directed including necessary formwork as required complete all as specified and as directed.

Taking up from trenches or taking down from walls etc, steel water tubing and connections of bore 15mm (internal dia), including fittings like gate valves, ball valve and like including disconnecting and removing from site of work to store yard of AGE E/M-II, complete all as specified and as directed. Note : (i) Excavation and earth work, if any required at site, shall be measured and paid for separately. (ii) All the material (pipes & fittings) as retreived shall be carefully, without any damage, are to be deposited in store yard of AGE E/M-II immediately after retreival, at his own means / arrangement.

All as per the description of Serial Item No 6 herein above but of bore 20m (internal dia) Note : (i) Excavation and earth work, if any required at site, shall be measured and paid for separately. (ii) All the material (pipes & fittings) as retreived shall be carefully, without any damage, are to be deposited in store yard of AGE E/M-II immediately after retreival, at his own means / arrangement

All as per the description of Serial Item No 6 herein above but of bore 25mm (internal dia) Note : (i) Excavation and earth work, if any required at site shall be measured and paid for separately. (ii) All the material (pipes & fittings) as retreived shall be carefully, without any damage, are to be deposited in store yard of AGE E/M-II immediately after retreival, at his own means / arrangement.

All as per the description of Serial Item No 6 herein above but of bore 80mm (intenal dia), from trenches. Note : (i) Excavation and earth work, if any required at site, shall be measured and paid for separately. (ii) All the material (pipes & fittings) as retreived shall be carefully, without any damage, are to be deposited in store yard of AGE E/M-II immediately after retreival, at his own means / arrangement.

Taking up from trenches, cast iron or galvanized iron steel water tubing of bore 100mm (internal dia) and connecting fittings and removing from site of work to store yard of AGE E/M-II, complete all as specified and as directed. Note : (i) Excavation and earth work shall be measured and paid for separately. (ii) All the material (pipes & fittings) as retreived shall be carefully, without any damage, are to be deposited in store yard of AGE E/M-II immediately after retreival, at his own means / arrangement.

Supply, laying, joining, testing and commissioning 100 mm bore (internal dia) ductile iron pressure pipes with socket & spigot ends having ISI stamping / marking conforming to IS: 8329/2000 in standard length of 5.50 metre – 6.00 metre of classification K-9 suitable for push on rubber tyton (gasket D-jointing) with cement mortar lining in the pipes, including aligning the pipes inside trenches as per IS : 12288/1987 and testing the joint with required water pressure complete all as specified and as directed. NOTES : (a) Cutting of existing CI/DI/GI pipes for making connection shall be measured and paid for separately. (b) Excavation and earth work shall be measured and paid separately.(c) CI/DI joint specials including rubber ring joints shall be measured and paid for separately.

Ductile iron pipe fittings such as bends, tapers, single branch,Y-junction collars, mechanical collars, caps and plugs including necessary nuts, bolts and washers, any type , any size spigot socket or flanged ends of size upto 150mm bore (internal dia) conforming to IS : 9523/2000 with pressure rating PN-1 (all fittings to be coated for rust prevention i.e. external coating zinc rich paint with finishing layers of bituminous paint as per Annexure A of IS;9523/2000 and internal lining shall be of cement mortar with seal coat as per Annexure-B of IS:9523/2000) complete all as specified and as directed. NOTES : (a) Rubber ring joints shall be measured and paid for separately. (b) Excavation and earth work , if required shall be measured and paid separately.(c) Cutting of existing CI/DI/GI pipes for making connection shall be measured and paid for separately.

Material and labour for rubber ring tyton push joints ISI marked suitable for spigot and socket and DI pipe and fittings of 100mm bore (internal dia) as per IS:5382 with jointing material complete all as specified and as directed .

Cutting of existing CI/DI pipe line of size 80mm bore (internal dia) to 150mm bore (internal dia) for repairs / replacement of pipe line and insertion of collars / tail pieces, tees etc including dewatering of pit , if required, complete all as specified and as directed . NOTE : Excavation and earth work if required, shall be measured and paid for separately.

Taking up old unserviceable sluice valve / butterfly valve, any type / any size from pipelines / valve pits, any location including disconnecting from pipeline and removing to store yard of AGE E/M-II complete all as specified and as directed.

Butterfly valve, 150 mm dia, conforming to BS :5155, MSS SP 67 & APT 609 designed to fit including gaskets between meeting flanges, suitable for flow in either direction and seal in both directions including nuts, bolts and washers, required welding or cutting or any, other works for fixing in pipe line and fixed in position complete all as specified and as directed .

Cast Iron non rising sluice valve, of size 80mm bore with wheel, SS spindle, flanged ends PN-1.6, ISI marked, as per IS:14846 / 2000 and cast iron operating wheel including gasket, nuts bolts and washers, and fixed in position, complete all as specified and as directed .

All as per the description of serial item No 17 herein above but of bore 100 mm

All as per the description of serial item No 17 herein above but of bore 150 mm

Construction of brick masonry valve pit / chamber of size 600mmx 600mm x 600mm (internal dimensions of chamber and depth of chamber to be reckoned from the top of PCC in foundation to top of mild steel cover) including mild steel sheet cover fabricated out of 3mm thick mild steel sheet and frame of angle iron of size 40mm 40mmx 4mm with fixing arrangement and painted with two coats of synthetic enamel paint , any tint or shade as approved by Engineer-in-Charge, over a coat of red oxide primer on mild steel sheet / cover and frame including necessary and earth work in any type of soil, returning filling in of soils, removal of surplus soil to a distance exceeding 50 meter and not exceeding 100 meter as directed, plain cement concrete 1:4:8 type D-2 as in foundation, brick work with sub class ‘B’ old size well burnt bricks in cement mortar 1:4, 15mm thick plastering internally and externally in cement mortar 1:4, 100mm thick plain concrete 1:2:4 type B-1 as in flooring, finished even and smooth, complete all as specified, as shown in drg No STD-1258 and as directed.

All as per the description of serial item No 20 here in above but of size 1200mm x 1200mmx 1200mm (internal dimensions) including dismantling existing pit and removing serviceable materials to store yard of AGE E/M-II and rubbish to outside the MoD land, all as directed by Engineer-in-Charge.

3 Layer PP-R (Poly propylene random co-polymer) concealed pipes SDR 7.4 (PN-16) UV stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply including all PP-R plain and brass threaded poly propylene random fittings like ends, elbows, union, tees, reducing tees, adopters, saddles (snap clips), wall clips, hooks, protective mild steel tube sleeves and cutting through walls, floors and making good and also cutting, screwing and waste fixed complete to walls, ceiling or in floors, outer dia of pipe 20mm as per IS:15801 complete all as specified and as directed. NOTE : (i) Cutting chases in wall etc as required for concealing the pipe and making good of concealed pipe work to match with existing surfaces / finish is deemed to be included in the unit rate. (ii) Fittings like gate valves / ball valve / branch connection shall be measured and paid for separately.

All as per the description of serial item No 22 herein above but laid on ground or fixed on wall surfaces with and including clamps / hooks of suitable shape and size as directed by Engineer-in-Charge. NOTE : Fittings like gate valve / ball valve / branch connection shall be measured and paid for seperately.

All as per the description of serial item No 22 herein above but outer dia of pipe 25mm trenches. NOTE : --dittio--

All as per the description of serial item No 22 herein above but oute dia of pipe 25mm laid on ground or fixed on wall surfaces with and inclduding clamps / hooks of suitable size and shape as directed by Engineer-in-Charge. NOTE : Fittings like gate valve / ball valve / branch connection shall be measured and paid for seperately.

All as per the description of serial item No 22 herein above but outer dia of pipe 25mm laid in trenches. NOTE : (i) Excavation and earth work shall be measured and paid for separately. (ii) Fittings like gate valve / ball valve / branch connection shall be measured and paid for seperately.

All as per the description of serial item No 22 herein above but outer dia of pipe 32mm laid in trenches. NOTE : (i) Excavation and earth work shall be measured and paid for separately. (ii) Fittings like gate valve / ball valve / branch connection shall be measured and paid for seperately.

All as per the description of serial item No 22 herein above but outer dia of pipe 110mm laid in trenches. NOTE : (i) Excavation and earth work shall be measured and paid for separately. (ii) Fittings like gate valve / ball valve / branch connection shall be measured and paid for seperately.

Making connection of PP-R distribution from existing GI pipe with PP-R / GI of 16 mm to 40 mm size (bore) by providing and fixing tee / socket / reducer including cutting, making fusion joint and cutting , drilling of wall and making good disturbed surfaces to match with existing surface / finish complete all as specified and as directed.

PP-R ball valves of outer dia 20 mm 3 layer PP-R (Polypropylene Random Co polymer) (brass insert) as per requirement of the site and fixed / fitted complete all as specified and as directed.

All as per the description of serial item No 30 here-in above but 25mm outer dia.

All as per the description of serial item No 30 here-in above but 32mm outer dia.

PP-R ball valves plastic body, outer dia 110 mm and fixed / fitted complete all as specified and as directed.

Branch connections of size 15mm/20mm/25mm by using suitable size mild steel clamps of 80/100/150mm dia pipe including necessary nuts, bolts , brass ferrule screwed both ends for connection of PP-R pipe of size 20/25/40 mm outer dia complete all as specified and as directed.

Ball brass valve 20mm bore (internal dia) high pressure with polythene float and fly nut complete screwed for iron pipe or brass ferrule, fixed in position complete all as specified and as directed.

All as per the description of serial item No 35 here-in above but 15mm bore (internal dia)

3 Layer PP-R connector of outer dia 25mm complete and fixed in position complete all as specified and as directed.

Mild steel framed work such as grills, grating etc, framed guard brass framed balusters and similar works conforming to Fe-290, Gde E-185 complete all as specified and as directed

Cutting the existing bituminous or cement concrete road / hard standing / Pavement for passing through pipes, of dimensions 20 cmx40cm and filling the same with cement concrete 1:3;6 type C-1 after laying of pipes complete and finished to surface fair and even all as specified and as directed .

Boring of holes under bituminous road / PCC pavement or hard standing by trenchless technology using ultra sounding technique and necessary machine including passing pipe of size 15mm dia to 100mm dia complete all as specified and as directed.

M/S Gupta and Sons

Alpha Engineers and Builders