REPAIR / MAINT OF EXTERNAL PIPE LINE, REWINDING OF PUMP/MOTOR AND CLEANING OF OHT AT AF STN BIHTA.

Amount

Excavation in trenches in soft/loose soil not exceeding 1.50 metre wide and not exceeding 1.50 metre in depth; for underground cable, pipeline / erection of poles, stays etc. and getting out complete, all as specified.

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

Removing excavated spoil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete, all as specified.

PCC type C-2 (1:3:6), using 40 mm graded stone aggregates as in filling & mass concrete, complete all as specified.

PCC type D-2 (1:4:8), using 40 mm graded stone aggregates as in filling & mass concrete, complete all as specified.

Framed mild steel work such as doors or gates, grills, grating etc. with ends of bars shouldered and or riveted or forged into spikes, framed guard bars, railings and similar work confirming to Fe-290-W Gde E-165, complete all as specified.

Steel tubes ‘medium grade’, ISI marked, galvanized with all fittings, laid in trenches including taking up or down existing unserviceable steel tubing and connections, complete all as specified, of size as under: -

20 mm bore

25 mm bore

50 mm bore

80 mm bore

Cast iron pipe with spigot and socket ends centrifugally cast class, class 'A' in any length, laid in trenches including taking up or down existing unserviceable CI pipe and connections, complete all as specified, of size as under: -

80 mm bore

100 mm bore

150 mm bore

Cast iron pipe with flanged ends centrifugally cast class, class 'A' in any length, laid in trenches including taking up or down existing unserviceable CI pipe and connections, complete all as specified, of size as under: -

80 mm bore

100 mm bore

150 mm bore

NOTE APPLICABLE TO SERIAL ITEM 7 to 9 :- Excavation and earthwork will be measured and paid for separately under respective item of ‘BoQ’.

Run lead joint including jointing material like spun yarn, caulking lead & tools etc IN REPAIRS, complete all as specified for CI pipes of size: -

80 mm bore

100 mm bore

150 mm bore

Joint with rubber or fibre board gasket including provision of bolts, nuts, washers and white lead or mineral oil etc IN REPAIRS, complete all as specified for CI/DI flanged pipes of size: -

80 mm bore

100 mm bore

150 mm bore

Repairing GI/CI pipe line, upto 150 mm bore of any descripton to prevent leakage of water by welding at directed location to the entire satisfaction of Engineer-in-Charge including necessary excavation & earth work complete.

Repairing GI pipe line, upto 80 mm bore of any descripton to prevent leakage of water by making thread in pipe and jointing pipe with & including union, Tee or elbow to the entire satisfaction of Engineer-in-Charge including necessary excavation & earth work complete.

Gun metal globe/gate valve, with ron wheel head, ISI marked screwed both ends for GI tubes, IN REPLACEMENT, complete all as specified of size: -

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Bib tap, cast copper alloy, with crutch or butterfly handle, screwed end for iron pipe or for union and fixed, suitable for 15 mm bore pipe, IN REPAIRS, complete.

Cast Iron Sluice valve flanged Type, class PN 1.6, ISI marked (IS- 14846-2000) complete with stainless steel spindle flanged both ends drilled CI gate with brass ring and iron wheel handle complete all as specified with & including necessary flanged joints & jointing material, IN REPLACEMENT suitable for DI/CI pipe of size: -

80 mm bore

100 mm bore

150 mm bore

Gland packing in leaking sluice valve including replacing / tightening the existing bolts & nuts etc complete for following size sluice valve: -

80 mm bore

100 mm bore

150 mm bore

Bend (any type, radius and angle) tapers any type ( straight, bend, increasing, decreasing or double socket etc) Tee piece, single branch 'Y' junction, double branch, cross (all socket or socket and spigot) collars, caps and plugs upto 150mm bore for spigot socket pipe, IN REPLACEMENT all as specified

Bends, tapers, Tee piece (single & double branch) any type and angle/radius and straight connecting piece but all ends flanged 'Y' junction, double branch, cross, collars, caps and plugs upto 150mm bore for flanged pipe, IN REPLACEMENT all as specified

Connecting pieces one end flanged and other socket or spigot and bell mouth piece one end flanged other end tapering as bell mouth upto 150mm bore, IN REPLACEMENT all as specified

MCCB with adjustable thermal magnetic release, ICS=ICU=100%,125 Amp, rupturing capacity 16 kA, 4 Pole, 415 volts, AC, with over load and short circuit protection and rupturing capacity, IN REPLACEMENT, complete all as specified

PVC Insulated & PVC Sheathed submersible flat copper conductor cable 3 core of size 10 Sq.mm, suitable for working voltage 1100 Volts conforming to IS 694 including making connections to motor/starter, complete all as specfied.

Lifting and lowering of pumping set of any capacity by using required T&P / Tripot / Chain pulley and disconnecting / connecting electrical connections and replacement of gasket, with suitable size nuts, bolts, washer and misc repair as required complete all as specified and as directed.

Taking down & Re-winding of electric submersible motor 3 phase upto 30 hP capacity any make with super enamelled copper winding wire of adequate size and gauge, varnishing, drying as per original specifications including REPLACEMENT GM bushes / bearing, re-fixing and testing on load etc complete.

Servicing, greasing and recalibration of chlorine dosing pump as per manufacturer's maintenance reference to the entire satisfaction of Engineer-in-Charge. NOTE:- Supply only spare parts will be measured and paid for separately under respective item of BoQ.

Supply only the following parts of chlorine dosing pump:-

Gear motor 230 v 50 Hz Make:- Declibac Cat pat No.- PM682CE

Rotor assembly with bearing brackets & tolerance ring

Rotor assembly ( Roller each pocket 4 Nos)

Pump tube ( tube each pocket 5 Nos)

Weighted suction line starter 3/8''

Check valve duckbill only ( 5 Nos Each pocket)

Connecting nuts 3/8'' with adaptor ( 5 Nos Each pocket)

Ferrule 1/4'' ( 24 Nos each pocket)

White suction / discharge tube 3/8''

Power contactors 4 pole AC & DC circuit conforming to IEC, Type- MCX12 and current rating 40-63 Amps, AC-1 rating including making necessary electrical connections and testing, IN REPLACEMENT, complete all as specified and as directed.

Fully automatic star delta motor starter in sheet steel enclosure 3 phase 415 V 50 HZ relay complete suitable for 30/35HP sub mersible pumping set fixed in LT control panel of pump house including IN REPLACEMENT, complete all as specified and as directed.

Chemical analysis including micro biological examination of water sample obtaining from bore well at pump house No-2, 3, 5 & 6 under GE (AF) Bihta. Collect the sample as per standard operating procedure from bore well as chemical and microbiological as per the IS specification. NOTE:- (i) The complete analysis report should be submitted within specific period. (ii) Bore well should be test by NABL approved lab as approved by GE.

Construction of brick masonary valve pit with and including MS sheet cover fabricated from 3 mm thick MS sheet and frame of angle iron 40 mm x 40 mm x 5 mm with fixing arrangement hinges and locking arrangement and painting two coats of synthetic enamel paint over a coat of red oxide primer on MS cover and frame including necessary excavation and earth work in any type of soil, returning, filling in approved soil, disposal of surplus soil to a distance not exceeding 50 metre, 150 mm thick PCC 1:4:8 type D-2 using 40 mm graded stone aggregate as in foundation, brick work using pulverised fuel ash lime bricks in cement mortar 1:6, 15 mm plastering in cement mortar 1:4 both internally and externally, 100 mm thick PCC 1:2:4 type B-1 using 20 mm graded stone aggregate as in flooring complete all as specified, including demolition of existing valve pit having iternal size: --

Cleaning of over head water tank by puming out all water and removal of all silt / rubbish, alkali, fungus small trees etc., disinfecting by using bleaching powder, antibacterial sodium hypochlorite solution and repairing of cracks, depressions, cavities in the tank with cement mortar in ratio of 1:3 to mix liquid water proofing admixture @ 3Kg/ Sqm in the cement mixture, One coat of lime wash to be applied on inner walls of the tank after cleaning the surface of walls, complete cleaning etc and after cleaning, writing “cleaned on ..... .... (Date, month & year)“ format with synthetic enamel paint in capital letters of 80 mm stencil complete including removing of all previous writing for the following capacity of OHT.

5000 gallons

50000 gallons

75000 gallons

Cutting grass, vegetation, shrubs, bushes, small trees etc inside the installation, manually to the entire satisfaction of Engineer-in-Charge including sweeping and removal of entire rubbish/cut grass/ vegetation etc. outside MoD land complete.

Note : Amount of credit for retrieved materials is mentioned in Sch 'A' of tender documents in pdf form which will be deducted while acceptance of tender offline.

M/S SAROJ KUMAR SINGH (BID ID -3457344)