PROVN OF BOREWELL ALONGWITH STORAGE TANK AT KISHANGARH AND IMPROVEMENT TO WATER SUPPLY AROUND SHOPPING COMPLEX AT MIL STN JAISALMER

Amount

Excavating in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation etc or for shaft, wells, cesspits, manholes, pier holes etc not exceeding 10 sqm on plan and n exc 1.5 m in depth and getting out in any type of soil all as specified & directed by Engineer-in-Charge

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in soft/ disintegrated rock all as specified & directed by Engineer-in-Charge.

Returning, filling in, including, spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in any type of soil all as specified & directed by Engineer-in-Charge.

Returning, filling in, including, spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick with soft/ disintegrated rock complete all as specified & directed by Engineer-in-Charge.

Removing excavated soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified & directed by Engineer-in-charge.

Removing excavated material soft/ disintegrated rock to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed by the Engineer-in-Charge.

M&L for sand cushioning to underground PVC/XLPE cable with tibba sand and punning to provide required cover complete all as directed by Engineer-in-charge. (Note :- Punned thickness of sand cushioning shall only measured).

Supplying and laying Jodhpur stone quarry faced stone slab cover 25 to 30 cm in width, 50 to 60 cm long and 40 to 50 mm thick, laid dry and abutting each other with gap between adjacent slab not exceeding 10 mm over under ground cables for protection complete all as specified & directed by Engineer-in-charge.

M&L for drilling of 01 No of trial bore with suitable rig machine in any strata incl hard soil/bolders/rock etc. by Direct /Hammer/ mechanical percussion method below ground level, disposal of surplus soil with in 100 mtr keeping space for pea gravel packing and including lowering and extraction of casing pipes of 200mm dia up to 300 mtr depth below ground level. Development of trial bore by reaming in step from (a) 200mm to 350mm, (b) from 350mm to 450mm, (c) from 450mm to 550mm complete all as specified & directed by Engineer-in-charge. Note:- (a) For lowering and extraction of casing pipes include all mechanical equipment shall be arranged by the contractor. (b) In case of any mechanical damage due to failure of borewell the contractor will have no claim what so ever on this account. (c) Supply only casing pipe will be measured and paid separately. Fixing/ lowering charge deemed inclusive in the quoted rate.

Supply only MS casing pipe of 200 mm dia and thickness 8 mm with all fittings complete all as specified & directed by Engineer-in-charge.

Labour only slotted pipe of 200 mm dia in between the casing pipe as per the water table complete all as specified & directed by Engineer-in-charge.

M&L for filling surrounding of casing pipe by pea gravel complete all as specified & directed by Engineer-in-charge.

Development of tube well with compressed air and after with 25% extra capacity pump by pumping muddy water complete all as specified & directed by Engineer-in-charge.

S&F MS reducer, bail plug, well cap, MS strip for centring, MS iron clamps, electric logging and simple strata box complete all as specified & directed by Engineer-in-charge.

Labour for yield test for the borewell by continuously pumping for 10 hours to determine safe pumping yield complete all as specified & directed by Engineer-in-charge. Note:-Neccessary bowser for yield test from test area to disposal of water to be arranged by contractor at the own cost.

Supply, installation, testing & commissioning borewell submersible pump set of stainless steel material, high reliability nitril rubber bushes and wear rings ensure long life of pump even in sandy water CED coated cast iron components for long life and rust free operation, non-overloading power characterristics suitable for 415 V, 3 phase system having capacity 20 HP (15 kw) head range upto 380 Mtr, 20 stages, flow range 2400 -60 LPM, outlet 50mm, suitable for 200mm dia bore well (Casing pipe size 200 mm) complete all as specified & directed by Engineer-in-charge.

Supply, install, testing and commissioning of LT motor control panel AC 415 V, 50 HZ 3 Phase 4 wire of suitable size for accomodating the following accessories totally enclosed self supporting structure / cubicle, fully compartmentalized type, weather proof, protection IP 52, double door suitable for outdoor use, with bottom cable entry with suitable cable glands structure made of 3.15 mm thick CRCA steel sheet with angle iron frame work and legs of ISA 50X50X5 mm, with four legs grouted in PCC (1:2:4) type B1, foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter and MCCBs , with sloping canopy at top, double hinged doors at front and back with suitable locking arrangement, Provision of louvers at sides, structure treated under 8 - tank metal treatment process and duly powder coated

M&L GI column pipe heavy grade 6M long 2" (50mm) bore with welded heavy duty flanges at both ends including a coat of anticorrosive paint complete all as specified & directed by Engineer-in-charge.

S&F steel water tubing 50 mm bore 'medium grade' galvanised with all GI fittings (such as bends, elbows, tees, conectors, short pieces, back nuts, unions, caps & plugs etc) fixed complete to wall and ceiling or laid in floor including cutting, threading and testing complete all as specified & directed by Engineer-in-charge.

S&F steel water tubing 25 mm bore 'medium grade' galvanised with all GI fittings (such as bends, elbows, tees, conectors, short pieces, back nuts, unions, caps & plugs etc) fixed complete to wall and ceiling or laid in floor including cutting, threading and testing complete all as specified & directed by Engineer-in-charge.

S&F submersible cable PVC insulated and PVC sheathed industrial 1100 Volts grade multistranded copper conductor of size 10 Sqmm flat 3 Core complete all as specified & directed by Engineer-in-charge.

Supply, laying and testing cable XLPE Insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 1100 volts grade of size 4 core 25 sq mm complete all as specified & directed by Engineer-in-charge.

Supply and fix Valve, reflux, with by-pass Arrangement, 50 mm (2”) dia complete all as specified & directed by Engineer-in-charge.

Supply & fix gun metal, globe or gate valve of size 50 mm bore any pattern including all jointing material complete all as specified & directed by Engineer-in-charge.

Supply & fix gun metal, globe or gate valve of size 25 mm bore any pattern including all jointing material complete all as specified & directed by Engineer-in-charge.

S&F steel water tubing 50mm bore 'light grade' galvanised, as in cable protection complete to walls and ceilings or laid in floors complete all as specified & directed by Engineer-in-charge.

M & L bore earthing not less than 250 mm dia 16 feet deep filled with black soil up to 7 feet from bottom complete with galvanized iron pipe 40 mm bore medium grade 3 meter long tapers at bottom & provided 12 mm holes (staggered) at 75 mm centre to centre up to 2.5 meter of length from bottom , burried directly in ground filled with 45 cm alternate layer of chemical magnisium sulphate & salt up to ground levl connected to galvanized iron strip 25 x 4 mm as earthing lead by means of bolt and nut, check nuts and washer of galvanized iron or steel including brazing work and 40mm dia light grade pipe for earth lead protection and testing including all necessary earth work, excavation, earth chamber with PCC 1:3:6, Type C1 and RCC chamber cover of PCC 1:2:4 with handle and 20 mm dia GI watering pipe with funnel and wire mesh etc and testing on complete all as specified and directed by Engg-in-Charge. (NOTE:-GI earth strip and protection pipe beyond 7.5m will be measured and paid separately)

[i]. Excavation & earth work in any type of soil including removing of surplus material upto 100M [ii]. PCC (1:3:6) type C1 using 20mm graded stone aggregate in pit & 40mm thick precast RCC (1:2:4) type B1 cover 50x50 cm with 8mm round bar @ 15 cm C/C both ways. [iii]. Main earthing strip from earth electrode to test point upto 7.5 mtr. [iv]. Funnel with watering pipe [GI pipe] 20mm bore [ISI marked] medium grade & copper lugs and charcoal & salt as reqd. [v]. GI protection pipe of size 40 mm bore light grade 7.5m.

M&L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to DBs or any other indicated situation for loop earthing with galavanised iron strip of 25X4 mm size complete all as specified & directed by Engineer-in-charge.

M&L for plain cement concrete (1:3:6) type C-2 using 40 mm graded stone aggregate as in foundations, filling & mass concrete all as specified & directed by Engineer-in-Charge.

S&F steel water tubing 20 mm bore dia medium grade galvanised with and including necessary all fittings and fixtures complete fixed to walls and ceilings or laid in floors etc complete all as specified & directed by Engineer-in-charge.

S&F steel water tubing 80 mm bore dia medium grade galvanised with and including necessary all fittings and fixtures complete fixed to walls and ceilings or laid in floors etc complete all as specified & directed by Engineer-in-charge.

S&F gun metel, globe or gate valve with iron wheel head screwed both ends for 20 mm bore iron pipe and fixed with ISI marked and as per IS 14846 complete all as specified & directed by Engineer-in-Charge

Supply and fix Sluice valve 80 mm bore PN-1.6 with SS spindle and wedge nut ISI maked (IS-14846:2000) complete with iron wheel complete all as specified & directed by Engineer-in-charge. Note:- Rate includes neccesary arrangements (flange/ tail piece) and cutting the pipe of required dimension with attachments for fitting the sluice valve.

Construction of valve chamber of size 90 x 90 x 90 cm (internal dimensions) with the following specifications :-

(i) 15cm thick PCC 1:4:8 type D-2 (using stone aggregate) as in foundation concrete. (ii) PCC solid block masonry 200mm thick using grade C-5 block in CM 1:6 (iii) Rendering 15mm thick in CM 1:4 finished even and fair. (iv) PCC 1:3:6 type C-1 (using 20mm graded stone aggregate) as in coping. (v) 3mm thick MS sheet cover alongwith MS angle iron frame 40 x 40x6 mm duly embedded in coping concrete with necessary locking arrangement. (vi) Painting MS sheet cover and frame with two coats of synthetic enamel paint over a coat of red oxide primer. (NOTE : Excavation and earthwork included under respective items of Sch 'A')

M/s Shree Construction Company (BID ID -3055671)

Paliwal Construction Company (BID ID -3039503)

shivam electricals and engneers (BID ID -3037600)

M/s J B Construction Company (BID ID -3039900)