REPAIR / MAINT OF EXTERNAL WATER SUPPLY SYSTEM, REPLACEMENT OF OLD U/S CI/GI PIPE LINE SLUICE VALVE GATE VALVE CLEANING OF UG SUMP AND SERVICE TANK AND MISC ALLIED WORKS AT ZONE A AND B AREA AT KALIMPONG AND SHERWANI MIL STN UNDER GE 867 EWS

Amount

Excavation in trenches ,n.exe 1.5m wide and n.exe 1.5m deep for foundation, laying of pipes etc., or for shafts, wells, cesspits, manholes etc., n.exe 10 sqm on plan and n. exe 1.5 m in depth and getting out in soft/ loose soil complete all as directed by Engineer-in-Charge.

Returning filling in trenches including spreading leveling watering and well ramming in layers n.exc 25 cm in soft/loose soil complete all as specified.

Removing excavated surplus materials to a distance not exc 50 M and depositing where directed at a level not exc 1.5 M above the starting point all as specified and as directed.

M & L for taking up or down 20mm bore steel tubing and connections, including cleaning for refixing or removal to store and refixing old steel tubing and connections in new or old position (walls, ceiling, floors, etc) complete all as specified directed by Engr-in-charge. Note : Excavation and earth work shall be measured and paid separately.

M & L for taking up or down 25mm bore steel tubing and connections, including cleaning for refixing or removal to store and refixing old steel tubing and connections in new or old position (walls, ceiling, floors, etc) complete all as specified directed by Engr-in-charge. Note : Excavation and earth work shall be measured and paid separately.

M & L for taking up or down 40mm bore steel tubing and connections, including cleaning for refixing or removal to store and refixing old steel tubing and connections in new or old position (walls, ceiling, floors, etc) complete all as specified directed by Engr-in-charge. Note : Excavation and earth work shall be measured and paid separately.

M & L for taking up or down 50mm bore steel tubing and connections, including cleaning for refixing or removal to store and refixing old steel tubing and connections in new or old position (walls, ceiling, floors, etc) complete all as specified directed by Engr-in-charge. Note : Excavation and earth work shall be measured and paid separately.

M & L for taking up or down 80mm bore steel tubing and connections, including cleaning for refixing or removal to store and refixing old steel tubing and connections in new or old position (walls, ceiling, floors, etc) complete all as specified directed by Engr-in-charge. Note : Excavation and earth work shall be measured and paid separately.

S & F in repairs 20 mm dia bore tubing, medium grade, galvanised,with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed by Engr-in-Charge.

S & F in repairs 25mm dia bore tubing, medium grade, galvanised,with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed by Engr-in-Charge.

S & F in repairs 40mm dia bore tubing, medium grade, galvanised,with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed by Engr-in-Charge.

S & F in repairs 50mm dia bore tubing, medium grade, galvanised,with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed by Engr-in-Charge.

S & F in repairs 20 mm dia bore tubing, medium grade, galvanised, with all fitting; laid in trenches complete all as specified and directed by Engr-in-Charge.

S & F in repairs 25 mm dia bore tubing, medium grade, galvanised, with all fitting; laid in trenches complete all as specified and directed by Engr-in-Charge.

S & F in repairs 40 mm dia bore tubing, medium grade, galvanised, with all fitting; laid in trenches complete all as specified and directed by Engr-in-Charge.

S & F in repairs 50 mm dia bore tubing, medium grade, galvanised, with all fitting; laid in trenches complete all as specified and directed by Engr-in-Charge.

S & F in repairs 80 mm dia bore tubing, medium grade, galvanised, with all fitting; laid in trenches complete all as specified and directed by Engr-in-Charge.

S & F in repairs rotational moulded polyethylene water storage tanks 2000ltr capacity (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete all as specified and directed by Engr-in-Charge.

S & F in repairs rotational moulded polyethylene water storage tanks 1000ltr capacity (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete all as specified and directed by Engr-in-Charge.

S & F in repairs rotational moulded polyethylene water storage tanks 750ltr capacity (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete all as specified and directed by Engr-in-Charge.

S & F in repairs rotational moulded polyethylene water storage tanks 500ltr capacity (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete all as specified and directed by Engr-in-Charge.

S & F in repairs 50mm diameter gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed Make : Zoloto or ISI marked.

S & F in repairs 40mm diameter gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed Make : Zoloto or ISI marked.

S & F in repairs 25mm diameter gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed Make : Zoloto or ISI marked.

S & F in repairs 20mm diameter gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed Make : Zoloto or ISI marked.

Supply and fixing in replacement of PVC water storage tank lid of 500 to 1000 ltrs capacity tanks with locking arrangment complete all as specified and directed by Engr-in-Charge.

S & F in replacement of angles, channels or Tee sections fixed independetly interconnecting with welding work without connecting plates (cut to ordinary lengths indicated) for water tanks staging etc conforming to Fe 410-w (Gde - E- 250) Quality B & painting with two coat of black bitiminious paint over a coat of Red Oxide primer including dismanting of old unserviceable existing staging complete all as specified by Engr-in-Charge. Make : TATA / SAIL / JINDAL

M&L for cement concrete type C-2 (1:3:6) (40 mm graded aggregate) in foundations, filling and mass concrete complete all as specified and directed.

M&L for PCC type B-1 (1:2:4) (20 mm graded aggregate) water troughs and the like including weathering, slightly rounded or chamfered angles and throating including extra using waterproofing compound complete all as specified and directed by Engr-in-Charge.

M&L for rendering 15 mm thick on fair faces of brick or concrete surfaces, finished even and smooth (without using extra cement) in cement mortar (1:6) complete all as directed.

M&L for precast cement concrete type C1 (1:3:6) (20mm graded aggregate) block masonry with solid blocks, exc 10cm in width and setting in cement mortar over 10 cm in width and setting in mortar (1:6) complete all as specified and directed.

Construction of valve pit of size 110 x 90 x 100 cm internal dimensions with 100 mm thick PCC (1:4:8) type D2 (using 40 mm graded broken stone aggregate) sub base of floor, 50 mm PCC (1:2:4) type B-1 ( using 20 mm graded crushed stone aggregate) in floor finished even and fair without using extra cement one brick thick brick work in CM (1:4) rending 15 mm thick plaster in CM (1:4) including 3 mm thick MS sheet pit cover fixing with angle iron frame 40x40x6 mm thick complete with looking arrangement having provision of lifting handle including 2 coats of synthetic enamel paint over one coat of red oxide primer to steel surface and excavation in soft/loose soil, returning filling and removal of surplus soil up to 50 mtr distance complete and all as specified dismentling old valvepit chamber accessories and deposited to store Yard for futher disposal.

Construction of valve pit of size 90 x 90 x 100 cm internal dimensions with 100 mm thick PCC (1:4:8) type D2 (using 40 mm graded broken stone aggregate sub base of floor, 50 mm PCC 1:2:4 type B-1 ( using 20 mm graded crushed stone aggregate) in floor finished even and fair without using extra cement one brick thick brick work in CM (1:4) rending 15 mm thick plaster in CM (1:4) including 3 mm thick MS sheet pit cover fixing with angle iron frame 40x40x6 mm thick complete with looking arrangement having provision of lifting handle including 2 coats of synthetic enamel paint over one coat of red oxide primer to steel surface and excavation in soft/loose soil, returning filling and removal of surplus soil up to 50 mtr distance complete and all as specified dismentling old valvepit chamber accessories and deposited to store Yard for futher disposal.

M & L framed brackets of angles or tees with web and flanges cut to shape, drilled and counter-sunk for screw, including bending and weilding angles as necessary for modification of existing staging including locking arrangements and valve pit chambers door or door frame with various type of angle, flat iron etc conforming to Fe 290 Gde -E-165 (brackets over 10 Kg each to be measured under Structural Steel') incl labour charges & painting with two coat of black bitiminious paint over a coat of Red Oxide primer incl dismantling of old rusted one complete all as specified and directed by Engr-in-Charge.

M&L of one coat of synthetic enamel paint over one coat of red oxide on existing steel surfaces of any description over 10cm in width or girth incl preparation of surfaces complete all as specified and directed by Engr-in-Charge. Note : - Colour coding for incoming and outgoing water supply pipe lines and existing staging etc complete all as specified and directed by Engr-in-Charge.

S & F in repairs 25mm bore PVC float ball valves high pressure with polythene float and flynuts complete screwed for iron pipe or PVC ferrule and fixed complete all as specified and directed.

S & F in repairs 20mm bore PVC float ball valves high pressure with polythene float and flynuts complete screwed for iron pipe or PVC ferrule and fixed complete all as specified and directed.

Supply only (Calcium based granular disinfectant for water treatment)as per direction of Engineer-in-Charge. Make : Puri chlor brand or any approved make by E-in -C branch

Cleaning of semi under ground water sump by removing balance water taking out solid residual loose dirt , scales , muds, fungus vegetation growth , scrubbing the complete inner surface wall and floor with wire brushes and cleaning with water and again cleaning and washing completely using bleaching powder and wiring in bold letter date of cleaning on outside surfaces of UG sump so thatdistinely visible of capacity 1,00,000 Glns and all as directed by Engrs-In-Charge in three compartment at MES water point.

Cleaning of semi under ground water sump by removing balance water taking out solid residual loose dirt , scales , muds, fungus vegetation growth , scrubbing the complete inner surface wall and floor with wire brushes and cleaning with water and again cleaning and washing completely using bleaching powder and wiring in bold letter date of cleaning on outside surfaces of UG sump so that distinctly visible of capacity 1,00,000 Glns and all as directed by Engrs-In-Charge in two circular compartment at MES water point.

Cleaning of semi under ground water sump of following capacity by removing balance water taking out solid residual loose dirt , scales , muds, fungus vegetation growth , scrubbing the complete inner surface wall and floor with wire brushes and cleaning with water and again cleaning and washing completely using bleaching powder and wiring in bold letter date of cleaning on outside surfaces of UG sump so that distinctly visible of capacity 50,000 Glns and all as directed by Engrs-In-Charge at MES water point.

Cleaning of semi under ground water sump of following capacity by removing balance water taking out solid residual loose dirt , scales , muds, fungus vegetation growth , scrubbing the complete inner surface wall and floor with wire brushes and cleaning with water and again cleaning and washing completely using bleaching powder and wiring in bold letter date of cleaning on outside surfaces of UG sump so that distinctly visible of capacity 30,000 Glns and all as directed by Engrs-In-Charge at Water Point.

Cleaning of semi under ground water sump of following capacity by removing balance water taking out solid residual loose dirt , scales , muds, fungus vegetation growth , scrubbing the complete inner surface wall and floor with wire brushes and cleaning with water and again cleaning and washing completely using bleaching powder and wiring in bold letter date of cleaning on outside surfaces of UG sump so that distinctly visible of capacity 20,000 Glns and all as directed by Engrs-In-Charge at Chubaa Basti, Water point, Kanchanjunga Enclave, Engrs Zone, Inf Zone, ASC Zone & GE Office Complex.

Cleaning & removing all scale & dirt etc from PVC tanks of capacity exc1000 ltr but not exc 2000 ltr from mouth of circulating pipes etc by using bleaching powder and making cleaning date on the tank and also uprooting the hages/greenery under rooftop all as specified and as directed.

Cleaning & removing all scale & dirt etc from PVC tanks of capacity exc 500 ltr but not exc 1000 ltr from mouth of circulating pipes etc by using bleaching powder and making cleaning date on the tank and also uprooting the hages/greenery under rooftop all as specified and as directed.

Cleaning & removing all scale & dirt etc from PVC tanks of capacity exc 250 ltr but not exc 500 ltr from mouth of circulating pipes etc by using bleaching powder and making cleaning date on the tank and also uprooting the hages/greenery under rooftop all as specified and as directed.

M&L for taking down the 80mm sluice valve including taking out connecting pieces, bolts, nuts, packing sheet etc and repairs the sluice valve its repairing parts, rings and spindle, rubber gasket, gland packing, gland clamps with bolts suitable dia and couples including reassembling complete and arrest the water leakage complete all as specified and directed by Engineer - In -charge.

M&L for taking down the 100mm sluice valve including taking out connecting pieces, bolts, nuts, packing sheet etc and repairs the sluice valve its repairing parts, rings and spindle, rubber gasket, gland packing, gland clamps with bolts suitable dia and couples including reassembling complete and arrest the water leakage complete all as specified and directed by Engineer - In -charge.

M&L for painting of sluice valve of size 80mm to 100mm of one coat of synthetic enamel paint over one coat of red oxide on existing sluice valve inclding preparation of surfaces complete all as specified and directed by Engr-in-Charge.

Dismantling / disconnecting unserviceable sluice valve assembly complete by removing old nut bolts packing sheet etc supply & Fix new CI Sluice valve 100mm valve with stainless steel spindle confirming to ISI including jointing material nut bolts packing all as directed by Engineer Incharge Make : - Kirlosker / Venus / Upadhyay / Zoloto

Dismantling / disconnecting unserviceable sluice valve assembly complete by removing old nut bolts packing sheet etc supply & Fix new CI Sluice valve 80mm valve with stainless steel spindle confirming to ISI including jointing material nut bolts packing all as directed by Engineer Incharge Make : - Kirlosker / Venus / Upadhyay / Zoloto

Provn of water testing samples of following test : - (a) Colour hazen units, Max test. (b) Odour test. (c) pH Value test. (d) Taste test. (e) Turbidity, NTU, Max test. (f) Total dissoloved solids (TDS), mg/l test. (g) Iron (as Fe) mg/l test. (h) Resedual Chlorine test. (j) Chloride (as Cl), mg/l test. (k) Total Hardness (as CaCO3) test. (l) Manganese, mg/l test. (m) Fluoride mg/l test. (n) Copper mg/l test. (o) Nitrate mg/l test. (p) Alkalinity mg/l test. (q) Lead mg/ltr test. (p) E Coil test. (q) Total Coliform Bacteria test. The above test done by authorised testing lab complete all as specified and directed by Engr-in-Charge.

M&L for leakage arrest of 100mm GI pipe line including taking out connecting pipes, socket, union Tee, bend, elbow etc and repairs the existing leakage pipe line including excavation/earthwork etc complete re-assembling and arrest the water leakage complete all as specified and directed by Engineer - In -charge.

M&L for leakage arrest of 80mm GI pipe line including taking out connecting pipes, socket, union Tee, bend, elbow etc and repairs the existing leakage pipe line including excavation/earthwork etc complete re-assembling and arrest the water leakage complete all as specified and directed by Engineer - In -charge.

M&L for leakage arrest of 50mm GI pipe line including taking out connecting pipes, socket, union Tee, bend, elbow etc and repairs the existing leakage pipe line including excavation/earthwork etc complete re-assembling and arrest the water leakage complete all as specified and directed by Engineer - In -charge.

M&L for leakage arrest of 40mm GI pipe line including taking out connecting pipes, socket, union Tee, bend, elbow etc and repairs the existing leakage pipe line including excavation/earthwork etc complete re-assembling and arrest the water leakage complete all as specified and directed by Engineer - In -charge.

M&L for leakage arrest of 25mm GI pipe line including taking out connecting pipes, socket, union Tee, bend, elbow etc and repairs the existing leakage pipe line including excavation/earthwork etc complete re-assembling and arrest the water leakage complete all as specified and directed by Engineer - In -charge.

M& L for cutting of existing steel tubing for alterations or additions (each cut measured) and inserting new Tee, bend, elbow etc 25 to 40 mm dia GI pipe complete all as specified and directed by Engr-in-Charge.

M& L for cutting of existing steel tubing for alterations or additions (each cut measured) and inserting new Tee, bend, elbow etc 50 to 80 mm dia GI pipe complete all as specified and directed by Engr-in-Charge.

Taking down and refixing of old serviceable PVC water storage tanks including GI fittings wherever required in new or old position of 1000 ltrs capacity complete all as specified and as directed by Engr-in-Charge.

Taking down and refixing of old serviceable PVC water storage tanks including GI fittings wherever required in new or old position of 750/500 ltrs capacity complete all as specified and as directed by Engr-in-Charge.

Note: In case doubling/duplicancy of BOQ items , the lowest quoted rate shall be applicable for payment.

RAMESH GURUNG

MS MAYA PRAKASH GOEL AND SONS

G K SUTHAR

PRASAD PRADHAN AND SON

HEM RAJ GURUNG

RAJU TAMANG

MS BRAHMA CONSTRUCTION