REPAIR OR MAINTENANCE OF WATER SUPPLY PIPE LINES, OVERHEAD TANKS AND VALVE PIT AND CONNECTED ALLIED WORKS AT HQ EAC (U) AF UNDER GE (I) (AF) SHILLONG

Amount

Excavation in trenches in soft/loose soil n. exc 1.5 mtr wide and not exceeding 1.5 mtr depth for foundations, laying water supply pipe lines etc and getting out all excavated materials including forming bottom surface to required level/gradient for removing the old pipeline and for laying of water tubing complete all as specified and as directed .

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

Removing excavated surplus material (Soils) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Taking up or down Steel /PPR Water Tubing 150 mm dia (bore) including Connections and Fittings, Segregating Serviceable Pipes & Fittings, Stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Taking up or down Steel /PPR Water Tubing 100/110 mm dia (bore) including Connections and Fittings, Segregating Serviceable Pipes & Fittings, Stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Taking up or down Steel /PPR Water Tubing 80/90 mm dia (bore) including Connections and Fittings, Segregating Serviceable Pipes & Fittings, Stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Taking up or down Steel / PPR Water Tubing 50/63 mm dia (bore) including Connections and Fittings, Segregating Serviceable Pipes & Fittings, Stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Taking up or down Steel/PPR Water Tubing 40/50 mm dia (bore) including Connections and Fittings, Segregating Serviceable Pipes & Fittings, Stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Taking up or down Steel Water Tubing/PPR 25/32 mm dia (bore) including Connections and Fittings, Segregating Serviceable Pipes & Fittings, Stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Taking up or down Steel /PPR Water Tubing 20/25 mm dia (bore) including Connections and Fittings, Segregating Serviceable Pipes & Fittings, Stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Supply and Laying Steel Water Tubing 150mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 100mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 80mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 50mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 40mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 25mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 20mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Relaying/Re-fixing Galvanised Steel Tubing/PPR 150 mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing/PPR 100 mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing/PPR 80 mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing/PPR 50 mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing/PPR 40 mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing/PPR 25 mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush complete all as specified and as directed.

Relaying/Re-fixing Galvanised Steel Tubing/PPR 20 mm Bore (dia) and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush complete all as specified and as directed.

Supply and Laying Steel Water Tubing 100mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 80mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 50mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 40mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 25mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and Laying Steel Water Tubing 20mm Bore (dia), Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed. Make: Surya Roshni ltd/ Tata/ Jindal Steel/ Prakash/ Bansal/ Zenith/ Nezone Tubes Ltd

Supply and fix 50mm bore CI butterfly valve, BS-5155 Gear operated with necessary rubber gaskets, nuts and bolts and washers of suitable size as in repair complete all as specified and directed . Make:-Zoloto/Kirloskar/ Leader

Supply and fix 80mm bore CI butterfly valve, BS-5155 Geaoperated with necessary rubber gaskets, nuts and bolts and washers of suitable size as in repair complete all as specified and directed . Make:-Zoloto/Kirloskar/ Leader

Supply and fix 100mm bore CI butterfly valve, BS-5155 Geaoperated with necessary rubber gaskets, nuts and bolts and washers of suitable size as in repair complete all as specified and directed . Make:-Zoloto/Kirloskar/ Leader

Taking up /down 150/100 mm bore CI/DI water mains and connections/fittings of any type from trenches /walls/floors/(or any other location) for replacement /reuse in old/new location/diversion by burning out /removing of lead joints/tyton joints/rubber gasket joint complete all as directed by the Engineer-in-Charge.

Relaying of the following size CI/DI water mains after thoroughly cleaning, with new fittings fixed to wall/ceiling/floor or laid in trenches as directed by Engr-in-Charge.

Bore size 100 mm

Bore size 150 mm

Supply, laying, connecting and testing of ductile iron pipe 100 DN spigot and socket ends, class K-9 in standard working length conforming to IS-8329 laid in trenches complete all as specified and directed. Make: Tata Metaliks/ Electrosteel Casting Ltd./ Jindal Saw Ltd.

Supply, laying, connecting and testing of ductile iron pipe 150 DN spigot and socket ends, class K-9 in standard working length conforming to IS-8329 laid in trenches complete all as specified and directed. Make: Tata Metaliks/ Electrosteel Casting Ltd./ Jindal Saw Ltd.

Material and labour for Jointing of 100 mm bore DI pipes spigot and socket end and fittings with rubber or fibre board gasket , bolts, nuts, washer as in repair complete all as specified and directed. Make: Tata Metaliks/ Electrosteel Casting Ltd./ Jindal Saw Ltd.

Material and labour for Jointing of 150 mm bore DI pipes spigot and socket end and fittings with rubber or fibre board gasket , bolts, nuts, washer as in repair complete all as specified and directed. Make: Tata Metaliks/ Electrosteel Casting Ltd./ Jindal Saw Ltd.

Material and labour for Mild Steel Screw Bolts (machine made) 11mm to 15mm diameter of neck and length of bolt exc 5 Cm and not exc. 10 Cm with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, complete all as specified and as directed.

Supply and fix 80 mm bore Cast Iron Sluice valve of Class PN-1.6 long body type, heavy duty, ISI marked (IS 1538) flanged end with iron wheel and brass spindle including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed. Make:-Zoloto/Kirloskar/ Leader

Supply and fix 100 mm bore Cast Iron Sluice valve of Class PN-1.6 long body type, heavy duty, ISI marked (IS 1538) flanged end with iron wheel and brass spindle including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed. Make:-Zoloto/Kirloskar/ Leader

Supply and fix 150 mm bore Cast Iron Sluice valve of Class PN-1.6 long body type, heavy duty, ISI marked (IS 1538) flanged end with iron wheel and brass spindle including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed. Make:-Zoloto/Kirloskar/ Leader

Taking up existing unserviceable 80 mm bore CI sluice valve for overhauling by replacing gasket, worn out nuts, bolts, washer, greasing complete including refixing in position complete all as directed by Engineer -in-charge.

Taking up existing unserviceable 100mm bore CI sluice valve for overhauling by replacing gasket, worn out nuts, bolts, washer, greasing,grinding etc complete including refixing in position complete all as directed by Engineer -in-charge.

Taking up existing unserviceable 150mm bore CI sluice valve for overhauling by replacing gasket, worn out nuts, bolts, washer, greasing complete including refixing in position complete all as directed by Engineer -in-charge.

Supply and laying 3-layer PP-R Polypropylene random copolymer concealed pipes SDR 7.4 (PN-16) UV stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches in new alignment for following outer dia pipes complete all as specified and directed :- Make: M/s Jain Irrigation/ Kisan/ Prince/ Supreme/ Oriplast/ Finolex

25 mm outer dia

32 mm outer dia

50 mm outer dia

63 mm outer dia

90 mm outer dia

110 mm outer dia

Supplying and laying 3 layer PP-R (polypropolene randam copolymer) pipes SDR 7.4 UV stabilised and antimicrobial fusion welded having thermal stability for hot and cold water supply, all PP-R plain and brass threaded polypropolene random fittings fixed complete to walls, ceilings or in floor etc for following outer dia pipes complete all as specified and directed:- Make: M/s Jain Irrigation/ Kisan/ Prince/ Supreme/ Oriplast/ Finolex

25 mm outer dia

32 mm outer dia

S & F in repairs PP-R Gate valves (brass insert) screwed both ends for PPR pipes and fixed for following outer dia pipes complete all as specified and directed :-

25 mm bore

32 mm bore

50 mm bore

63 mm bore

Dismantling existing u/s valvepit & Construction of brick masonary valve pit size 90x 90x90 CM (internal dimension) one brick thick wall in cm 1:4 and 100mm thick PCC 1:4:8 in foundation and 15 mm thick plastering. Providing valve pit cover made of 3 mm thick MS sheet/plate welded with 40x40x6 mm angle iron frame fixed or top of valve pit by means of hold fast 150mm long, embedded in PCC 1:2:4 type B1, bricks of size 230x110x75 including two coat of anticorrsive paint over a coat of red oxide primer and necessary earth work in soft/ loose soil complete all as specified and as directed.

Supply and fix 80 mm bore Cast Iron non-return valve, heavy duty, ISI marked (IS 5312), flanged end including rubber gasket joints, nuts, bolts etc i as in repair complete all as specified and directed . Make:-Zoloto/Kirloskar/ Leader

Supply and fix 100 mm bore Cast Iron non-return valve, heavy duty, ISI marked (IS 5312), flanged end including rubber gasket joints, nuts, bolts etca s in repair complete all as specified and directed. Make:-Zoloto/Kirloskar/ Leader

Supply and fix 150 mm bore Cast Iron non-return valve, heavy duty, ISI marked (IS 5312), flanged end including rubber gasket joints, nuts, bolts etca s in repair complete all as specified and directed . Make:-Zoloto/Kirloskar/ Leader

Demolition of Cement Concrete (un-reinforced) in Ground Floors and Pavings not exc. 150mm thickness (above or below Ground Level), complete all as specified and as directed.

Material and labour for Plain Cement Concrete type C2 (1:3:6) using 40 mm graded aggregate) in Foundation, Filling and Mass Concrete, complete all as specified and as directed.

Demolition of brick work/ block masonry or stone/ boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars etc but excluding ashlar facing dressed stone work and precast concrete articles and removal all rubbish material complete all as specified directed.

Material and labour for Brick Work with Sub-Class ‘B’ Bricks (with Old Size Bricks), Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed.

Supply and fix for 50 MM High Torque electric actuator valves series U-754 of PN 16 for fixing in existing pump house pipe line with all fitting accessories all as specified and directed by Engr-inCharge. Make:-Zoloto/Kirloskar/ Leader

Supply and fix for 100 MM High Torque electric actuator valves series U-754 of PN 16 for fixing in existing pump house pipe line with all fitting accessories all as specified and directed by Engr-inCharge. Make:-Zoloto/Kirloskar/ Leader

Material and labour for dismantling damaged/unserviceable structural steel/mild steel parts/components of ladder, security gates, working platform of Over Head Pressed Steel tanks top cover and replacement of structural rolled mild steel for joist, channel, angle, or tee sections, Pressed Steel/Mild steel sheets for top covers confirming to Fe-290 (Gde E-165) of thicknees as required of suitable size as directed including welding, drilling cutting and provision of suitable nut bolts etc and preparation new or previously untreated steel surfaces of any description, width or girth and applying two coats of anti-corrosive synthetic enamel paint of 1st grade quality over and including one coat of red oxide zinc chrome primer complete all as specified and directed.

Supply and fix Cast iron bend upto 150 mm bore (any type, radius and angle) taper any type (straight, bend, increasing, decreasing or double socket etc) tee pieces, 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs complete all as specified and as directed. Make:-Neco Centri/ Tata Metalic/ Jindal/ Jai Balaji Industries/ Srikalahsti Pipes Ltd

M/S DEEDAR ENTERPRISE

M/S RAGHU NATH SAH

S K ENTERPRISE

M/S BISWA CONSTRUCTION

M/s Gupta Construction