CONSTRUCTION OF 02 NOS BOREWELL AT AIR FORCE STATION SRINAGAR

Amount

Deployment of manpower, tools, plant & machninry and Boring of Trial bore hole 200 mm bore dia upto 30 meter depth below ground at given site perfectly vertical with direct rotory rig circulation method through any kind of strata of the layers including hard stone / boulder etc to the complete depth including submitting the strata details @ every 3 meter depth duly graphically recorded and carrying out electronic log test etc complete all as specified and as directed.(No water found no payment will be made) CGWB report will be handed over to firm before drilling.

All as per serial item No 01 above, but depth from 30 metre to 60 metre below ground level, completed all as specified and as directed.

All as per serial item No 01 above, but depth from 60 metre to 90 metre below ground level, completed all as specified and as directed.

All as per serial item No 01 above, but depth from 90 metre to 120 metre below ground level, completed all as specified and as directed.

All as per serial item No 01 here-in-before, but depth exceeding 120 mtre and no exceeding 150 mtre below ground level, completed all as specified and as directed.

Development of trial bore by reaming up to 525 mm depth upto 150 metre for lowering of casing pipe and filling of pea gravel, complete all as specified and directed.

Note for serial No 6 : - Casing pipe and Pea gravel will be measured and paid separately under respective items of this BOQ.

Supply assembling and lowering in to bore hole, 200 mm bore mild steel pipe, heavy grade, casing pipe screwed socketed and welded ISI marked ERW in random length upto 6 meter long with thickness not less then 7.04 mm including all necessary fittings and jointing for depth up to 60 metre from ground level, duly painted with two coats of bituminous paint on external surface of pipe, complete all as specified and as directed. Make:- Jindal / Tata / Prakash surya.

Supply assembling and lowering in to bore hole 150 mm bore mild steel pipe, heavy grade, casing pipe, screwed socketed and welded ISI marked ERW in rendom length upto 6 meter long with thickness not less then 5.4 mm including all necessary fittings and jointing for depth exc 60 meter but not exc 150 meter from ground level, duly painted with two coats of bituminous paint on external surface of pipe complete all as specified and as directed. Make:- Jindal / Tata / Prakash surya.

supply, assembling and lowering of Mild steel ERW screwed and socketed slotted pipes 150mm dia nominal bore having minimum 5.40 mm wall thickness ISI marked conforming to IS-4270/2001 having slot sizes of 1.6 mm x 75 mm and all around welded with 4 Nos stiffners of flat iron 40 X 6 mm, 300mm long in lieu of casing pipe.

Supply & fix including lowering Submersible pump, electric driven 3 phase,415 V, 2850 rpm, discharge 800 litre per minute at 60 metre head, TP suitable for 200 mm dia bore well ( Casing pipe size 200 mm) supply and Install complete of capacity 10 HP minimum complete all as specified and directed.

S&F Flat Three Core PVC Insulated & PVC Sheathed Industrial Cable for Submersible Pump Motors 1100 Volts, 16 Sqmm 3 core ,conforming to IS: 694 complete all as specified and directed. Make:- Havells / plaza / Polycab,

S&F steel rope multistrand 6 sqmm for lowering of pump / column pipe.

Deployment of manpower, tools, plant & machninry and Development of bore well with compressed air of capacity 200 PSI 900CFM approximate capacity as ground till to get the clear water and after with 25% extra capacity pump by pumping muddy water, complete all as specified and directed.

Deployment of manpower, tools, plant & machninry and Yield test for the bore well by continuously pumping for 16 hours to determine safe pumping yield, complete all as specified and directed.

S&F Heavy Duty MS column pipe of size 100 mm dia 3 metre long, both end flanged welded, suitable for submersible pump having suitable cuts for passing through submersible cable including nut ,bolts & rubber gasket complete.

Testing of water from approved Govt Lab for potability by doing chemical analysis and submission of test reports to the entire satisfaction of Engineer-in-charge

Material & labour for Pea gravel of size 4 mm to 10 mm of approved quantity as in packing around the casing / sloted pipe in bore well, complete all as specified and directed.

Supply and fix reducer socket ERW MS 200 x 150 mm for casing pipe of bore well, complete all as specified and directed.

Supply and fix Bore well cap for 200 mm bore MS pipe duly drilled for 100 mm bore MS column pipe complete all as specified and directed by Engineer-in-Charge.

Supply & fix MS bail plug of size 100 mm bore 1.5 metre long, 6 mm thick with MS rod 25 mm dia welded to 200 mm bore MS pipe complete all as specified and directed by Engineer-in-Charge.

M&L for Mild steel work using flat, angle, joint etc including bending, drilling, welding etc complete all as specified and directed by Engineer-in-Charge.

Fabrication and supply of Strata sample wooden box of size 1200 x 750 mm, made out of 20 mm thick plywood and partition with 12 mm thick plywood with 10 partitions of size 150mm x 150 mm x 100 mm deep with 6 mm fron glass sheet sliding type cover with almunium frame all round, 2 Nos dey hole plate of size 40 x 25 x 3 mm complete all as specfied including writing Name of tubewell, location, strata sample with depth shall be as per direction of Engr-In-charge).

S&f housing clamp 100 cm long in two half 20 cm wide, made out 20 mm thick MS plate for 200 mm dia MS casing pipe with necessary bolts and nuts with twin washers at ground level embeded in PCC block (1:2:4) type B-1 using 20mm gradd stone aggregate complete all as specified and directed.

S&F and lowering of MS centering guide into bore well made out of flat MS 50 X 6 mm ribs suitable for 200/150 mm dia MS casing pipes complete all as specified and directed.

Supply, Installation ,testing & commisioning of totally enclosed feeder piller outdoor type (IP-55), CPRI approved, sloppy roof fabricated out of 3.15 mm thick CRCA sheet dust and vermin proof powder coated double door type (independent cabin including locking arrangement for each MCCBs , bus bar chamber enclosed complete suitable for operating on 415 Volt 50 Hz AC supply internally wired with copper conductor having legs 45 cms long, made out of 65 x 65 x 6 mm angle iron grouted on brick masonary plateform upto 30 cms .Brick masonary plateform shall be 60 cms above the ground level and 30 cm below ground Level.Comprising the following.

(i) INCOMING: 01 No 100 Amp FP MCCB of 16 KA rupturing capacity, (Ics=100% Icu ) and trip setting as required. (ii) BUS BAR: 01 set of 200 Amps TPN aluminium bus bar of suitable length and of crossection as per design. Bus bars shall be designed to with stand a fault level of 16 KA at 415 volts. (iii) OUTGOING: (a) 02 Nos 40 Amp TP MCB of 10 KA rupturing capacity, (Ics=100% Icu ) and trip setting as required. (b) 02 No MCB 32 Amp SPN type "B" .

Supply & fix 100 mm bore sluice valve type PN-1.6 double Flanged cast iron type with brass spindle and iron wheel and 16 mm dia iron nuts, bolts & washers and rubber insertion sheet conforming to IS specification complete and all as specified

S&F of cast iron Reflux valve (Non return valve) 100 mm dia complete with assessories complete.

Supply and fix 100 mm bore Galvanised iron tube medium grade galvanised with all fitting laid in trenches,complete all as specified and directed.

Excavation in trenches n.exc 1.5 metre wide and n.exc 1.5 metre deep and getting out in any type of soil, all as specified.

Returning filling in including spreading leveling, watering and well ramming in layers n. exc 25 cm thick using excavated soil complete all as specified and directed.

Removal of excavated soil to the distance n.exc 50 metres and depositing where directed at a level n.exc 1.5m high from the starting point, all as specified.

Supply & lay LT cable XLPE Insulated screened PVC bedded galvanised strip or wire armoured electric power cables (heavy duty) 1100 V grade with stranded amuminium conductor of size 35 sqmm 3.5 core .

Material and labour for construction of valve chamber of size 900 x 900 x 900 mm deep (Over all internal dimension) for sluice valve etc. with PCC foundation, brick masonry walls, Plastering, PCC Coping, white washing, mild steel chamber cover, painting to chamber cover complete all as specified below:-

(i) Cement concrete for foundation (1:4:8) type D2 using 40mm graded stone aggregate 100 mm thick extended up to 150 mm beyond the outer face of masonry. (ii) Walls of valve chamber shall be 230 mm thick with sub class B brick (old size), set in CM 1:6 complete. (iii) Internal and exposed surfaces of valve chamber both concrete and brick masonry surface shall be plastered with CM (1:4), 15 mm thick finished even and smooth. (iv) 50 mm thick coping in PCC 1:3:6 type C1 over brick masonary wall.

(v) Entire plastered surfaces shall be treated with 3 coat of white wash. (vi) Chamber cover shall be of 3 mm thick MS sheet with 30 x 30 x 5 mm size angle iron frame with hold fast and locking arrangement. steel surface shall be painted with two coats of synthetic paint of first quality over one coat of red oxide primer. (vii) Excavation in any type of soil, returning & filling and removing of surplus excavated soil up 50 metre distance.

M&L for Earthing complete with galvanised steel earth plate electrode of size 600 mm x 600 mm x 6 mm thick, burried directly in ground not less than 2.25 metre deep below normal ground level with top edge of earth plate not less than 1.5 metre below normal ground level connected to the Galvanised iron strip of size 32 mm x 6 mm size by means of bolts ,nuts,check nuts and washers of galvanised iron and GI strip protacted by provision of GI light grade pipe 40 mm bore incl provision of concrete pit in PCC1:2:4 type B-1 , using 20 mm graded stone aggregates with 40 mm thick cover of RCC (1:2:4) reinforced with XPM weight not less than 4 Kg /Sqm and 6 mm dia bar handle, excavation and earth work in any type of soil, charcoal dust and salt light grade GI watering pipe 20 mm bore with funnel and wire mash complete all as shown in the electrical plate No 3 of SSR part –I and testing on completion. Note:-Quoted rates shall be deemed to include for earth wire with protection pipe up to 7.5 M length.

M&L for Fabrication of header made out of MS pipe 200mm dia, 10 mm thick, 2.5 metre long and welded on both sides with MS plate in and including provision for flanges for fixing to sluice valve incoming 100 mm dia - 01 Nos, outgoing 150 mm dia- 02 Nos, 100 mm dia- 01 No and length of outlet 100/150mm dia 6 mtr supported with angle iron at both ends of size 45x45x6 mm-04 Nos

Supply and fix chain pully block, triple spur gear,3 Ton capacity with3 mtr lift manually operated complete with hooks high tensile forged steel confirming to IS-3815 and hand chain to IS- 12429 including tripod stand 15 feet long HIRA cat part No. 31742 complete all as specified.

M&L for sand cushioning in trenches spreading and consolidation 8 cm thick before laying the cable and 15 cm of the sand after laying the cable but will be measured 18 cm after punning etc complete as specified and directed.

construction of foundation of tubewell of size 1.00mx 1.00m having 45 cm thick PCC 1:2:4 type B-1 (using 20 mm graded crushed stone aggregates) Over 75 mm thick PCC 1:3:6 type C-2 complete as specified and directed.