CA NO CWE/CHM(U)-15/2022-23 ROUTINE MAINT OF SEWAGE ASSEST AT COMMAND HOSPITAL SEWAGE INSTALLATIONS,IPH ,VATIKA ,TRG AREA AND REWINDING OF MOTORS UNDER GE (U) CHANDIMANDIR

Amount

M & L for pumping out of STP water from the 50000 gallons capacity under ground sump (open from the top) by means of suitable pumping set of appropriate capacity and thorough cleaning of the sump by rubbing, scrapping the surfaces and taking out all the foreign materials, silt, mud, sludge etc from the sump including vegitation from the unit and disposing off at low laying area, distance not less than 500 mtrs and applying two coats of white wash on the entire internal surfaces complete all as specified and directed.

All as per item srl no. 1 here-in-before but of capacity 10000 gallons capacity.

All as per item srl no. 1 here-in-before but of capacity 40000 gallons capacity. Note:- Necessary T&P , pumping set, pipes etc shall be arranged by the contractor. Required safety equipments such as hand gloves, headgears, masks, gum boots, oxygen gas cylinders etc shall also be arranged by the contractor. Labour trained in cleaning of sewerage sumps shall only be deployed to carry out the above job. Entire responsibility for safety of the deployed labour shall be of the contractor and deptt shall not be responsible for any mishappening or any type of loss occured during the execution of above job. Unit rate quoted shall be deemed to include the cost of all the above factors and no extra payment shall be made for the same.

Disconnecting electrically and mechanically & taking out from the sewerage water well , submersible type non clog pump sets of capacity 15/30 HP by means of chain pulley blocks of suitable capacity complete with column pipes, cables, supporting chain etc to carry out necessary repairs complete all as specified and directed. ( Depth of the well is appx 12 Mtrs.)

Lowering of the repaired submersible type non clog pump sets of capacity 15/30 HP by means of chain pulley blocks of suitable capacity complete with column pipes, cables, supporting chain etc into the sewerage water well and connecting electrically and mechanically incl testing for proper working complete all as specified and directed. ( Depth of the well is appx 12 Mtrs.)

Disconnecting the electric motor from the non clog type submersible sewage pump, shifting to workshop, dismantling the defective 30 HP 3 phase 415 volts submersible type motor of any make for removing the burnt out windings from the stator , cleaning the slots of the stator properly, rewinding of stator with best quality PVC isulated copper winding wire of appropriate gauge all as per existing incl all insulating materials, tapes, PVC sleeves , connecting leads with sleeve etc and cleaning of rotor assembly with soft cloths , reassembling the electric motor , shifting back to the site , reconnecting with the pump and testing for proper working complete all as specified and directed.

All as per item Srl No 6 here-in-before but 15 HP capacity

Dismantling the 30 HP capacity sewage water non clog submersible pump set of any make , repairing by replacement of pump shaft, GM neck rings, pump impeller, water seals/ impeller keys, lock nut, thrust block , gaskets and reassembling the same,shifting back to site and testing for satisfactory working complete all as specified and directed.

All as per item Srl No 8 here-in-before but 15 HP capacity

Taking up or down ductile iron/Cast Iron pipes 300 mm bore and removing from site (including all fittings) with spigot & socket ends complete all as directed. Note: Excavation and earth work shall be measured and paid for separately.

Taking up or down ductile iron/Cast Iron pipes 250 mm bore and removing from site (including all fittings) with spigot & socket ends complete all as directed. Note: Excavation and earth work shall be measured and paid for separately.

Taking up or down ductile iron/Cast Iron pipes /MS pipes/GI pipes 200 mm bore removing from site (including all fittings) with spigot & socket ends complete all as directed. Note: Excavation and earth work shall be measured and paid for separately.

Taking up or down ductile iron/Cast Iron pipes /MS pipes/GI pipes 150 mm bore removing from site (including all fittings) with spigot & socket ends complete all as directed. Note: Excavation and earth work shall be measured and paid for separately.

Taking up or down ductile iron/Cast Iron pipes /MS pipes/GI pipes 100 mm bore removing from site (including all fittings) with spigot & socket ends complete all as directed. Note: Excavation and earth work shall be measured and paid for separately.

Supply, laying, jointing and testing of ductile iron pressure pipe with socket & spigot ends confirming to IS:8329/2000 in standard length of 5.50 - 6.00 meter of classification K-9 suitable for push on rubber tyton (gasket D-jointing) with cement mortar lining in the pipes having 300 mm bore and testing the joints for any leakage with required water pressure complete all as specified & directed. Note:- Joints and CI/DI specials shall be measured and paid for separately under respective items.

All as per item srl no .15 here-in-before but of size 250 mm bore

All as per item srl no. 15 here-in-before but of size 150 mm bore

All as per item srl no. 15 here-in-before but of size 100 mm bore

S & F in repair ductile iron pipe fittings such as bends, tapers, tee pieces single branch, "Y" junction, collars, caps and plugs etc spigot socketed or flanged ends type of size upto 300 mm (K-12) nominal bore conforming to IS-9520/2000 with pressure rating PN-1 (all the fittings shall be coated for rust prevention i.e. external coating zinc rich paint with finishing layer of bituminous as per Annexure - A of IS:9523/2000 and internal lining shall be of cement mortar with seal coat as per Annexure 'B' of IS-9523/2000) complete all as specified and directed. Note:- (i) Joint and jointing material shall be measured and paid separately (ii) Excavation and earth work shall be measured and paid for separately

Supplying, fixing, jointing and testing mild steel MS black pipe with flanged ends ISI Marked, Fe 410 grade as per IS:1239/2004 nominal bore 150 mm, medium grade (Class B) in standard length of 5.50 - 6.00 meter complete incl jointing materails such as nuts/bolts/washers/rubber gaskets etc all as specified and as directed.

Cutting to existing CI/DI pipe line of size 100mm dia required for repair/replacement of pipe line and insertion of collars/tail pieces, tee etc including bailing out of leaking water if any, complete all as specified and directed.

All as Item Srl No. 21 here-in-before but 150 mm dia.

All as Item Srl No. 21 here-in-before but 250 mm dia.

All as Item Srl No. 21 here-in-before but 300 mm dia.

Material & Labour for rubber ring tyton push joints ISI marked suitable for spigot & socketed ends DI pipe and fittings for size upto 100 mm bore as per IS: 5382 with jointing material complete all as specified and directed.

All as per item Sr No: 25 here-in-before but 150 mm bore

All as per item Sr No: 25 here-in-before but 250 mm bore

All as per item Sr No: 25 here-in-before but 300 mm bore

Disconnecting and taking out old unserviceable sluice valves, foot valves, NRVs of any type and dia 100/150/200 mm complete all as directed.

Supply and fixing in replacement cast iron sluice valve 150 mm bore with flanged ends and SS stem (AISI 410) class PN 1.6 non rising stem type with hand wheel operation, duly ISI marked complete including all jointing materials such as nuts, bolts, washers, rubber gaskets etc omplete all as specified and directed.

All as per item srl no. 30 here-in-before but of size 100mm bore

Supply, laying, jointing and testing of HDPE straight pipes for sewerage applications having nominal dia 160 mm in standard lengths not less than 5.0 metres, with co-extruded copper wire as per IS 14333 : 1996, PN-6 pressure rating with a maximum permissible working pressure of 0.6 MPa, Minimum Required Strength not less than 6.3 MPa at 20 degree celcius, Wall thickness not less than 14.6 mm and not exc. 16.2 mm , alongwith necessary fittings viz bends, tapers, tee pieces single branch, "Y" junction, collars, caps and plugs etc, including testing the joints with required water pressure complete all as specified & directed. Note: (i) The quoted rates shall be deemed to be inclusive of jointing the pipes with electrofusion welding and cost of sealant used. The rates shall also be inclusive of all the necessary fittings required at site (ii) Excavation and earth works shall be measured and paid for separately.

Supply, laying, jointing and testing of HDPE straight pipes for sewerage applications having nominal dia 200 mm in standard lengths not less than 5.0 metres, with co-extruded copper wire as per IS 14333 : 1996, PN-6 pressure rating with a maximum permissible working pressure of 0.6 MPa, Minimum Required Strength not less than 6.3 MPa at 20 degree celcius, Wall thickness not less than 14.6 mm and not exc. 16.2 mm , alongwith necessary fittings viz bends, tapers, tee pieces single branch, "Y" junction, collars, caps and plugs etc, including testing the joints with required water pressure complete all as specified & directed. Note: (i) The quoted rates shall be deemed to be inclusive of jointing the pipes with electrofusion welding and cost of sealant used. The rates shall also be inclusive of all the necessary fittings required at site (ii) Excavation and earth works shall be measured and paid for separately.

S & F in repair cast iron foot valve flanged type of size 200 mm dia complete incl all jointing materials such as nuts, bolts, washers, rubber gaskets etc complete all as specified and directed. .

All as Item Srl No.24 here-in-before but 150 mm dia.

S & F in repair cast iron non return valve with flanged ends of size 200 mm dia complete incl all jointing materials such as nuts, bolts, washers, rubber gaskets etc all as specified and directed.

All as Item Srl no. 36 here-in-before but 150 mm dia.

Excavation in trenches not exc 1.5 mtr wide & not exc 1.5 mtr in depth: for foundationetc or for manholes, laying of pipe in any type of soil and getting out complete all as specified and directed.

Returning filling in, including spreading, leveling watering & well rammng in layers not exc 25cm thick complete all as specified and directed by EIC .

Removing excavated material to a distance not exc 50 mtr & depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified & diected.

Demolition of cement concrete (un-reinforced) of any description and in any position not otherwise specifically provived for (foundation of pump sets) including disposal of unserviceable material complete all as specified and as directed.

PCC 1:2:4 type B-1 using 20mm graded stone aggregate for pump set foundations etc, including necessary form work complete all as specified and directed.

Demolition of brick work built in cement mortar including all quoins, arches, piller etc complete all as specified and directed.

Brick work with sub class ‘B’ bricks, straight or curved on plan to exceeding 6m mean radius, built in 1:4 cement mortar complete all as specified and directed

10mm thick rendering in cement mortar 1:4 on fair faces of brick wall or concrete surface finished even and smooth without using extra cement complete all as specified and directed.

PCC 1:4:8 type D-2 using 40mm graded stone aggregate for lean concrete etc, including necessary form work complete all as specified and directed.

M & L for clearing of pump house area by digging out bushes, shrubs , wild grass etc and levelling the surface complete all as directed.

Taking down old rusted valve pit frames , sheet covers, railigs etc omplete all as specified and directed.

MS framed work in repair such as grills, valve pit frames, fencing post ,walk ways railings, frame work of water tank and similar work confirming to Fe-290 Gde E-165 etc with angle irons, channels etc complete all as specified and directed .

MS black sheet 3mm thickness used as valve pit cover incl painting work with two coats of black bitumouns paint over a coat of red oxide primer complete all as specified and directed.

Foundation bolts in repairs 600 mm long for pump sets made from 20 mm dia MS rod duly threaded at top upto 200 mm length with and including two MS nuts and 3 mm thick washers complete all as specified and directed.

Disconnecting electrically and mechanically centrifugal pump set of capacity 20/25/30 HP and taking down from the existing PCC foundation and refixing the same at the original postion after repairing of PCC foundation incl reconnecting electrically and mechanically and testing for proper working complete all as specified and directed. Note:- Reparing of PCC foundation shall be measured and paid separately.

All as Item Srl No. 52 here-in-before but capacity 40/50 HP

All as Item Srl No. 52 here-in-before but capacity 60/75 HP

Disconnecting electrically and mechanically centrifugal pump set of capacity 20 HP and taking down from the existing PCC foundation at underground sewage pump house , taking out by using proper T & P , chain pulley block, ropes, chains etc and refixing the same at the original postion after repairing of PCC foundation incl reconnecting electrically and mechanically and testing for proper working complete all as specified and directed. Note:- Reparing of PCC foundation shall be measured and paid separately.

Dismantling the existing suction lines and delivery lines by cutting/removing the rusted nuts & bolts of 20 HP pump sets of size 100/150 mm dia including all fittings/valves etc , taking out from the under ground sewage pump house and cleaning properly internally with wire brushes/iron rods etc to clear any blockage , refixing the same and testing for proper working complete all as directed. (Appx length 20 RM) incl all nuts/bolts/gaskets etc and painting with two coats of black bitumonous paint complete all as specified and directed. Note:- Work for item no 55 & 66 is to be carried out and under ground sewage pump house at a depth of appx 12 mtrs.Necessary T&P , required safety equipments such as hand gloves, headgears, masks, gum boots, oxygen gas cylinders etc shall also be arranged by the cotractor. Entire responsibility for safety of the deployed labour shall be of the cotractor and deptt shall not be responsible for any mishappening or any type of loss occured during the execution of above job. Unit rate quoted shall be deemed to include the cost of all the above factors and no extra payment shall be made for the same.

Disconnecting electrically from power supply and mechanically from the pump , taking down the defective 20 HP 3 phase 415 volts squirrel cage induction electric motor of any make from the foundation and dismantling the same for removing the burnt out windings from the stator , cleaning the slots of the stator properly, rewinding of stator with best quality super enamelled copper winding wire of appropriate gauge all as per existing incl all insulating materials, varnishing & drying properly , connecting leads sleeve insulated up to terminal block and connections, cleaning of rotor assembly with soft cloths , reassembling the electric motor , shifting back to the site , refixing on the foundation and reconnecting electrically & mechaniclly, testing for proper working complete all as specified and directed. Note:- Required T & P and transportation shall be arranged by the contractor and unit rate quoted will be deemed to incl the cost of the same.

All as per item Srl No 57 here-in-before but 25 HP capacity.

All as per item Srl No 57 here-in-before but 30 HP capacity.

All as per item Srl No 57 here-in-before but 50 HP capacity.

All as per item Srl No 51 here-in-before but 60 HP capacity.

All as per item Srl No 57 here-in-before but 75 HP capacity.

Supply only ball bearings for DE/NDE suitable for 20 HP 3 phase 415 volts squirrel cage induction motor of any make approved by GE complete all as specified and directed. Make :- SKF/TATA/NBC

All as per item Srl No 63 here-in-before but for 25 HP

All as per item Srl No 63 here-in-before but for 30 HP

All as per item Srl No 63 here-in-before but for 50 HP

All as per item Srl No 63 here-in-before but for 60 HP

All as per item Srl No 63 here-in-before but for 75 HP

Disconnecting the defective 20/25/30 HP centrifugal pump from the electric motor and suction/delivery pipe lines, taking down from the foundation, shifting the pump to city workshop for repairing/servicing, dismantling the pump complete, replacment of defective parts as required, cleaning of all the parts incl lubrication/greasing etc, reassembling and shifting back to original site , reinstalling and making all connections incl testing for satisfactory working complete all as specified and directed. Note:- Spare parts shall be measured and paid separately under respective item. New joints of suction/delivery blines shall be measured and paid separately.

Supply only the following items suitable for 20/25 HP pump of any make approved by GE complete all as specified and directed:-

Ball bearings for DE/NDE Make :- SKF/TATA/NBC

Gun metal sleeves for pump shaft

SS key set for pump shaft

Check nut

Water seal

CI stuffing box gland set

Gasket set

CI impeller as per manufactureer,s design and dimensions

Remetalling, turning , grinding , polishing etc of the main pump shaft of 20 HP capacity pump of any make approved by GE to match all the dimensions with the original complete all as specified and directed.

All as per item No 79 here-in-before but 25 HP capacity.

All as per item No 79 here-in-before but 30 HP capacity.

Supply only the following items suitable for 30 HP pump of any make approved by GE complete all as directed:-

Ball bearings for DE/NDE Make :- SKF/TATA/NBC

Gun metal sleeves for pump shaft

SS key set for pump shaft

Check nut

Water seal

CI stuffing box gland set

Gasket set

CI impeller as per manufactureer,s design and dimensions

Disconnecting the defective 50/60/75 HP centrifugal pump from the electric motor and suction/delivery pipe lines, taking down from the foundation, shifting the pump to city workshop for repairing/servicing, dismantling the pump complete, replacment of defective parts as required, cleaning of all the parts incl lubrication/greasing etc, reassembling and shifting back to original site , reinstalling and making all connections incl testing for satisfactory working complete all as specified and directed. Note:- Spare parts shall be measured and paid separately under respective item. New joints of suction/delivery blines shall be measured and paid separately.

Remetalling, turning , grinding , polishing etc of the main pump shaft of 50 HP capacity pump of any make to match all the dimensions with the original complete all as specified and directed.

Supply only the following items suitable for 50 HP pump of any make approved by GE complete all as specified and directed:-

Ball bearings for DE/NDE Make :- SKF/TATA/NBC

Gun metal sleeves for pump shaft

SS key set for pump shaft

Check nut

Water seal

CI stuffing box gland set

Gasket set

CI impeller as per manufactureer,s design and dimensions

Remetalling, turning , grinding , polishing etc of the main pump shaft of 60 HP capacity pump of any make approved by GE to match all the dimensions with the original complete all as specified and directed.

Supply only the following items suitable for 60 HP pump of any make approved by GE complete all as specified and directed.:-

Ball bearings for DE/NDE Make :- SKF/TATA/NBC

Gun metal sleeves for pump shaft

SS key set for pump shaft

Check nut

Water seal

CI stuffing box gland set

Gasket set

CI impeller as per manufactureer,s design and dimensions

Remetalling, turning , grinding , polishing etc of the main pump shaft of 75 HP capacity pump of any make approved by GE to match all the dimensions with the original complete all as specified and directed.

Supply only the following items suitable for 75 HP pump of any make approved by GE complete all as specified and directed.

Ball bearings for DE/NDE Make :- SKF/TATA/NBC

Gun metal sleeves for pump shaft

SS key set for pump shaft

Check nut

Water seal

CI stuffing box gland set

Gasket set

CI impeller as per manufactureer,s design and dimensions

M & L in repairs cable terminal block with brass nuts/bolts/washers along with cover suitable for 20/25 HP 3 phase 415 volts 50 Hz star delta connected AC induction motor of any type complete.

All as per item srl No 122 here-in-before but 30 HP

All as per item srl No 122 here-in-before but 50 HP

All as per item srl No 122 here-in-before but 60 HP

All as per item srl No 122 here-in-before but 75 HP

Disconnecting the inlet/outlet pipe connections and taking down old damaged PVC water tank of capacity 500/1000 ltrs complete.

Taking down old rusted GI pipes of 25 mm dia incl all fittings complete.

Taking down old damaged gate valves of size 25 mm dia complete.

Supply and fixing rotational moulded polythelene water storage tanks ( cyliderical vertical with closed top ) hoisted and fixed in position all as specified in SSR part-1 of capacity 500 ltrs complete all as specified and directed.

All as per item srl No 130 here-in-before but capacity 1000 ltrs.

M & L tubes medium grade 25 mm dia laid on walls/roofs etc incl all fittings such as bends/union/elbow/socket/reducer/tee etc complete all as specified and directed.

Tank nipple complete with all fittings of size 25 mm dia complete all as specified and directed.

Gun Metal gate valve with iron wheel head screwed both ends for iron pipes of 25 mm dia complete all as directed.

Earthing complete with galvanised steel earth plate electrode of size 600x600x6 mm thick burried directly in ground with earth pit not less than 2.25 mtr deep below normal GL and with top edge of the plate not less than 1.5 mtr deep below normal ground level connected to GI strip earth lead of size 32x6 mm by means GI nuts/bolts/washers complete incl charcoal dust, salt, 20 mm dia med grade watering pipe with funnel and wire mesh, 40 mm dia med grade GI protection pipe , PCC pit and CI cover, earth work in any type of soil complete excavation, refilling, removal of surplus soil etc complete all as specified and directed. incl test point and testing on complete all as specified and directed. Note:- Earthing test results shall be prepared by the contractor and submitted to the Engr-in-Charge. Earthing resistance shall be to the entire satisfaction of Engr-In-Charge. GI strip 32x6 mm and 40 mm dia GI protection pipe shall be measured and paid separately.

Tubes medium grade 40 mm dia laid for protection of 32x6 mm GI strip earthing lead complete all as direcetd

GI strip 32x6 mm laid as earthing lead and earthing continuity conductor complete all as directed.

Aluminium strip 25 x 5 mm laid as earthing continuity conductor and for earthing connection complete all as specified and directed.

Disconnecting and taking out old unserviceable submain wiring incl conduits etc of any size/type complete.

Submain wiring on surface with FRLS PVC insultyed single core cable with stranded copper conductor of size 2x2.5 sqmm for phase and neutral and 1x1.5 sqmm for earthing in steel conduits medium grade complete incl all fittings complete all as specified and directed.

LED flood light luminaire of capacity 160 watt in repairs with secondary optics made in pressure die cast housing with heat sink and aluminium extrusion with IP 66 of capacity 160 watt dully fixed on wall with and incl 10 mm dia 150 mm long anchor bolts complete all as specified and directed.

S & F in repair LED flood light luminaire of capacity 100 watt with secondary optics made in pressure die cast housing with heat sink and aluminium extrusion with IP 66 of capacity 100 watt dully fixed on wall with and incl 10 mm dia 150 mm long anchor bolts complete all as specified and directed.

Material and labour for 22 watt Surface and wall mounted LED batten, extruded aluminium housing provided for efficient heat dissipation with polycarbonate diffuser & integrated electronic driver with industrial grade heavy duty driver having THD<10% complete with connecting suitable cable from ceiling rose to fitting all as directed by Engr-in-charge as Havells cat part no ENDURALINEARNEOBS22WLED865SPCWH or equivalent complete all as specified and directed.

Disconnecting and taking out old unserviceable aluminium/copper conductor cable incl flexible pipe of any type and size complete.

Supply, laying, connecting and testing of PVC insulated and PVC sheathed copper conductor flat submersible cable 3 core 25 sqmm 1100 volts grade complete all as specified and directed.

Supply, laying, connecting and testing of PVC insulated HRFR copper conductor single core 16 sqmm 1100 volts grade complete all as specified and directed..

S & F in repairs PVC flexible conduit 40 mm dia heavy grade best quality fixed with C shape clamps of suitable size complete all as specified and directed.

Supply, laying, connecting and testing of PVC insulated and PVC sheathed copper conductor flat cable 3 core 25 sqmm 1100 volts grade complete all as specified and directed.

Painting with supper enameled synthetic paint after scrapping out and prepration of surface of open CI/GI/DI pipeline up to 300 mm dia appx 400 RM, sluce valves appx 25, and metalic parts fire point, In/out get, , 4 x main gate and supporting including writting existing matter at Command Hospital sewage installations,IPH ,vatikapump House etc complete all as specified and directed.

Cleaning , scraping out old rubbed paint / rust & appling one coat of rubber synthetic paint over a coat of primer on 50 HP to 75 HP centrifused pump set complete all as specified and directed.

Cleaning , scraping out old rubbed paint / rust & appling one coat of rubber synthetic paint over a coat of primer on 20 HP to 40 HP centrifused pump set complete all as specified and directed.

Cleaning , scraping out old rubbed paint / rust & appling one coat of rubber synthetic paint over a coat of primer on 01 HP to15 HP centrifused pump set complete all as specified and directed.

Attending complaints and rectifying meagre faults like decarbonising connections in the DBs , checking for disconnections , any burning due to over loading in DBs and restoring water supply and illumination in water supply installation . Repairing fittings like gate light ,tube light, ,post top lantern , ,garden lights ,fountain lights, switches sockets ceiling rose,holders ,pole box,power points ,DBs ,MCBs service connection by decarbonising neutrals ,checking for any loose connections in the boards ,fixing loose casing cappings ,conduits required and clamping if required complete all as directed by Engr -in-charge. NOTE: (i) All T&P(screw driver,testing lamp,pliers etc.) required shall be provided by contractor including ladders of any size as per requirement at site and cost of the same deemed to be included in quoted rates (ii) Each Job shall comprise of attending and rectifying atleast three complaints. (iii) Minor items like machine screw,plastic clamps,insulation tape ,nails, flexible pipe ,thimbles,bottle lugs for DBs etc shall deemed to be incuded in the unit rate.

S&F(in replacement) MCCB 4 pole with neutral link 160-200 Amp 25 KA including the cost of suitable for existing panels

S&F (in replacement) MCCB 4 pole with neutral link 250-320 Amp 50KA including the cost of suitable wooden board,lugs and grouting etc .

S&F(in replacement) MCCB 4 pole with neutral link 125-160 Amp 36 KA including the cost of suitable wooden board,lugs and grouting etc

M/s Friends Engineering Works

m/s krishna engineers1