REPAIR AND MAINTENANCE TO WATER SUPPLY DISTRIBUTION PIPE LINES, CONTROL PANELS, MOTORS, PUMPS OF WATER SUPPLY INSTALLATIONS, BORE WELL/ SHALLOW WELL AND OVERHEAD TANKS/ UG SUMPS AND CONNECTED WORKS AT NAD BHEEMUNIPATNAM AND REPAIRS /MAINTENANCE OF LI

Amount

Taking down the defective electric induction motor 60 HP capacity of Kirloskar make 415 volt, 3 phase by dismantling the electrical connections, removing the motor from bed, by decoupling with pump, transporting to workshop, dismantling the burnt out winding from rotor/stator and rewinding the rotor or stator with same type super enamelled copper wire of same gauge and with necessary insulating material, varnishing, backing, re-assembling the motor completely transporting back to site and alignment with the pump/compressor with electrical connections including testing and commissioning, complete all as specified and as directed. Note :- (i) Burnt out removed winding wire shall be property of contractor and credited through schedule of credit. (ii) Bearings shall be measured and paid separately under relevant items of sch 'A'.

M&L for repair of centrifugal pump set 60 HP capacity of make Kirloskar, by dismantling completely and replacing unserviceable ball bearing, shaft sleeve, gland, neck ring gland rope shield, unserviceable Nut, bolt, washer etc. and reassembling the pump and fixing alignment to the original position and coupling with pump, complete all as specified and directed.

Taking down the defective electric induction motor 15 HP capacity of Kirloskar make 415 volt, 3 phase by dismantling the electrical connections, removing the motor from bed, by decoupling with pump, transporting to workshop, dismantling the burnt out winding from rotor/stator and rewinding the rotor or stator with same type super enamelled copper wire of same gauge and with necessary insulating material, varnishing, backing, re-assembling the motor completely transporting back to site and alignment with the pump/compressor with electrical connections including testing and commissioning, complete all as specified and as directed. Note :- (i) Burnt out removed winding wire shall be property of contractor and credited through schedule of credit. (ii) Bearings shall be measured and paid separately under relevant items of sch 'A'.

M&L for repair of centrifugal pump set 15 HP capacity of make Kirloskar, by dismantling completely and replacing unserviceable ball bearing, shaft sleeve, gland, neck ring gland rope shield, unserviceable Nut, bolt, washer etc. and reassembling the pump and fixing alignment to the original position and coupling with pump, complete all as specified and directed.

S&F in repairs, rubber coupling for 60 HP capacity motors/pumps complete all as specified and directed by Engineer-in-Charge.

All as per item No.5 above but 15 HP capacity motors/pumps.

S&F in repairs, terminal block for 60 HP capacity motors complete all as specified.

S&F in repairs, terminal block for 15 HP capacity motors complete all as specified.

S&F in repairs, voltmeter 3 phase 415V,50Hz digital type (0 - 500 Volt) with necessary electrical connections to suit existing panel etc complete all as specified and directed.

M&L for painting to 60 HP capacity mono block/ centrifugal pump and motor with two coats of synthetic enamel paint over and including one coat of red oxide primer, including cleaning and degreasing the surface complete all as directed by Engineer-in-Charge.

All as per item No. 10 above but 15 HP capacity.

All as per item No.10 above but 5 to 10 HP capacity.

S&F in repairs rubber gasket 500x500mm size 6mm thick suitable for submersible/mono block pump sets & motors complete all as specified & directed.

S&F in repairs, CI impeller suitable for centrifugal/mono block pumps 60 HP capacity.

Supply only casing ring for centrifugal/mono block pumps 60 HP capacity.

Supply only casing ring for centrifugal/mono block pumps 15 HP capacity.

Supply only CI gland plate for centrifugal/mono block pumps 60 HP capacity.

Supply only CI gland plate for centrifugal/mono block pumps 15 HP capacity.

S&F pulley muff joint type with necessary foundary work 60 HP capacity centrifugal/mono block pumps.

S&F pulley muff joint type with necessary foundary work 15 HP capacity centrifugal/mono block pumps.

Disconnecting of electrical connections from the panel board, water outlet connections connected to the bore well, column pipe and lifting the submersible pump set along with the motor up to 10 HP capacity of any depth and column pipe of 150mm bore keeping aside carefully and flushing of bore well and lowering remove submersible pump set all item all as specified and directed by Engineer-in-Charge. Note: During taking out process if any pump set is fallen into the tube well contractor has to take out the same at his own cost.

Taking down the submersible motor of 7.5 HP capacity any make 415 Volt, 3 phase by dismantling the electrical connections, removing the motor with pump from bore well, transporting to workshop, dismantling the burnt out winding from rotor/ stator and rewinding the rotor or stator with same type super enamelled copper wire of same gauge and with necessary insulating material, varnishing, backing, re-assembling the motor completely transporting back to site and alignment with the pump/compressor with electrical connections including testing and commissioning, complete, all as specified and directed by Engineer-in-Charge. Note : New material coupler and cables will be measured and paid under respective item of the schedule under supply only rates.

S&F in repairs ammeter 3 phase 415V,50Hz digital type (0-200 Amps) with necessary electrical connections to suit existing panel etc complete all as specified and directed.

Supply only submersible cable PVC insulated sheathed 1100 volts grade multistranded copper conductor flat 3 core 4 Sq.mm. all as specified and directed.

M&L for overhauling of existing star delta starter cleaning of all power contactor terminals replacement if required and renewal of unserviceable perished copper wiring, aluminium/ copper lugs, push buttons and indication lamps etc, including necessary electrical connections and testing the motor with load all as directed by Engineer-in-Charge.

M&L for cleaning and sterilization, inside the RCC/ Steel Underground/ semi underground/ Over head/ Sedimentation/clear water sumps of capacity UG sump reservoir 1,00,000 gallons through bacteriological treatment by using TERBAC G5/ Inchlor-5/ NB 10/ TERBAC G65/ Inoxi-60/ NB-69 and Ultra Violet Ray & Sodium Hypochlorite Solution. Make: Rays Cleantech/ Inus watertech/ Satya enterprise and equivalent as approved by GE. Location: NAD (Note : Item No 26 is here by continued as Srl Item No. 26.1 to 26.2)

The Stages of cleaning is as follows:- (a) First is to drain out the water by using exit valve or high capacity dewatering system. (b) Second is cleaning all the algae formation inside the tank and UG Sump by using TERBAC G10/ Inoxi-60/NB-69 or an equivalent laboratory tested branded chemical of the company and scrubbing the walls of the tanks. (c) Third is fresh water cleaning by high speed jet pump. (d) Fourth and first bacteria screening is decertification by using TERBAC-G5/ Inohlor-5/ NB-10 or equivalent. (e) Fifth is cleaning the floor of water tank by industrial vacuum cleaner. (f) Sixth is the second bacteria screening and sterilizing method by using ultra violet ray within the tank and kills all suspended bacteria. (g) Seventh of cleaning and third bacteria screening is to sterilize the floor of the water tank by using branded strong oxidizing agent TERBAC-G65/ Inoxi-60/ NB-69 or equivalent.

Note:- (i) Before cleaning, fix the sticker mentioning the date of cleaning & name of site and also provide the completion of sterilization of water tanks mentioning date of cleaning, all the cleaning & sterilization staffs should be under accidental insurance coverage. (ii) Outlet pipe of OHT should be plugged before cleaning the OHT to avoid entering scales and the same shell be reconnected after cleaning the OHT and the quoted rate is deemed to be included for the provision. (iii) Contractor will be responsible for rectification of complaints occurred during cleaning the tank i.e. no water in tank/ over flow due to broken of float valve/ blockage to be included in quoted rate. (iv) The work shall be carried out through specialized agency such as Rays cleantech/ Inus watertech/ Satya enterprise or equivalent as approved by GE

All as per item No. 26 above but for 1.0 Lakh gallon capacity UG sump reservoir

All as per item No. 26 above but for 30,000 gallon capacity UG sump reservoir

M&L for removing of soil and debris from static tank of 3.6 mtr dia and 3.6 mtr depth by removing of debris upto a depth of 3.6 mtr feet from top level and removing debris from bottom of the well including dewatering by using diesel pump set cleaning with bleaching powder and wire brush after scrapping the walls and bottom of the sump complete including repair of wall /bottom with PCC/Plastering work , white washing inside and one coat of cement based paint on out side surface of walls of static tank all as specified and as directed.

Cleaning of E/M installation yard (pump houses) by cutting bushes, shrubs/cleaning grass and other wild growth trees of upto satisfaction, complete all as directed by Engineer-in-Charge.

S&F industrial flexible copper cable of size single core 35 Sqmm (80/0.4 dia.) complete all as specified and directed.

Demolition of old unserviceable/broken chamber and M&L for construction of brick masonry valve chamber 1200x900x 600mm size with plain cement concrete in 1:4:8 type D2 foundation and 15mm thick plaster in CM 1:4 on brick wall inside and brick chamber built in cement mortar 1:6 including providing of MS Sheet cover 3mm thick with angle iron (40x40x6mm) brackets grouted to brick wall duly painted with two coats of synthetic enamel paint over a coat of red oxide primer with lifting handle and locking arrangement complete all as specified and directed:-

All as per item No.32 above but 900x900x600mm size.

S&F 20mm dia. ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe (Minimum weight 15mm-142gms/ 20 mm - 210 gms . / 25mm-455gms/ 40mm - 690 gms) including taking out old valve taking out old valve complete all as specified and directed.

All as per item No.34 above but 25mm dia.

All as per item No.34 above but 40mm dia.

S&F 80mm dia. cast iron foot valve flanged type as per IS-4038 PN-2 having sheet Gunmetal disc face ring- Nitrile rubber, Hinge pin stainless steel AISI-410 with Cast iron bolted strainer with necessary nut, bolt, washers etc, complete including taking out old valves complete all as specified and directed. Make: Kirloskar/ Upadhyay

All as per item No.37 above but 150mm dia.

All as per item No.37 above but 200mm dia.

S&F 20mm dia. gun metal globe or gate valve with iron wheel head, screwed both ends for iron pipe including taking out old valves complete all as specified and directed.

All as per item No.40 above but 25mm dia.

All as per item No.40 above but 40mm dia.

All as per item No.40 above but 50mm dia.

Servicing of sluice valve of 80mm dia. including replacement of gland packing, spindle chuck nuts & bolts washers etc complete all as specified and directed.

All as per item No.44 above but 100mm dia.

All as per item No.44 above but 150mm dia.

S&F in repairs pressure gauge (0-10 Kg/Cm²) including necessary specials and provision of suitable ferrule etc., complete all as specified and directed.

S&F in repairs cast iron gland covers on top of sluice valve suitable for 80mm dia. sluice valves complete all as directed and

All as per item No.48 above but 100mm dia.

All as per item No.48 above but 150mm dia.

Servicing of bore well electrical control panel includes replacement of burnt out lugs, unserviceable ML-2 contactors, cleaning of panel, checking of serviceability of timer and refixing, ensure of panel door closing, checking of internal wiring complete all as specified and directed by Engineer- in - charge.

S&F in repairs 80mm dia sluice valve of cast iron body, PN 1.6, with both ends flanged, drilled at both the ends, conforming to IS-780, having gunmetal spindle with iron wheel at top complete with nuts, bolts, washers, rubber gasket champion-20, 3mm thick sheet complete all as specified and directed.

All as per item No.52 above but 100mm dia.

All as per item No.52 above but 150mm dia.

M&L for run lead joint for 150mm dia. cast iron spigot and socket pipe complete all as specified and directed.

M&L for run lead joint for 100mm dia. cast iron spigot and socket pipe complete all as specified and directed.

M&L for run lead joint for 80mm dia. cast iron spigot and socket pipe complete all as specified and directed.

M&L for road cutting including excavation in trenches for laying CI/GI pipe not exc 45 cm wide and n.exc 75 cm depth as per site requirement including making good the disturbed surfaces with cement concrete (1:3:6) type C-1 and top surface neatly finished to match with the existing complete all as specified and directed.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling including spreading, levelling, watering and well ramming in layers not exceeding 25 cms of excavated hard/dense soil complete all as directed.

Removal of excavated soil 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 and as directed.

Cutting existing steel water tubing for additions/alterations (Each cut measured) complete all as directed of following bore :-

(a) 15 mm bore

(b) 20 mm bore

(c) 25 mm bore

(d) 40 mm bore

(e) 50 mm bore

Taking up or down steel water tubing and connections from trenches , walls/ floors of following bore :-

(a) 15 mm bore

(b) 20 mm bore

(c) 25 mm bore

(d) 40 mm bore

(e) 50 mm bore

Refixing old serviceable tubing and connections, obtained from item No 63 above, in new or old position, after cleaning including supply and fixing new GI fittings such as Tee, bends, elbows, sockets, etc of medium grade , all as required at site complete as directed for following bore :-

(a) 15 mm bore

(b) 20 mm bore

(c) 25 mm bore

(d) 40 mm bore

(e) 50 mm bore

Supply, laying and testing, galvanised iron pipe, medium grade with all fittings such as Tee, bends, elbows, sockets, reducer, tee union etc of medium grade, ISI marked fixed to walls/floors/ceilings/trenches including groove cutting for concealed plumbing as required at site and making good the damaged surfaces complete all as specified and directed for the following bores:-

(a) 15 mm bore

(b) 20 mm bore

(c) 25 mm bore

(d) 40 mm bore

(e) 50 mm bore

Supply and Fixing in replacement MCCB 3 pole, 250 amps, 415V, 36 KA and connecting with new lugs as directed and required at site complete all as specified and directed by Engineer- in-Charge.

Taking up cast iron pipe water main of size 80mm dia. (Including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed

Taking up cast iron pipe water main of size 100mm dia. (Including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed

S&F 100mm dia. cast iron pipes with spigot and socket ends centrifugally cast, class LA, in any length, laid in trenches complete all as specified and directed.

S&F 80mm dia. cast iron pipes with spigot and socket ends centrifugally cast, class LA, in any length, laid in trenches complete all as specified and directed.

S&F in repairs 80mm dia Reflux Valve of cast iron body , with both ends flanged, drilled at both the ends, conforming to IS-1538, having GM flap with nuts, bolts, washers, rubber gasket complete all as specified and directed.

All as per item No.71 above but 100mm dia.

All as per item No.71 above but 150mm dia.

Supply and fixing cast iron fittings for spigot and socketed/ flanged pipes, such as bends, tapers, collars, caps, plugs, Tee single and double junction/ branch cross etc all as specified for bore upto 150 mm complete all as specified and directed.

Material and labour for repairs/replacement to frame work & MS plate for valve chamber and sump chambers made out of suitable thickness of MS equal angle and plate of size 6 mm including cutting, welding and fixing and locking arrangement with two coats of synthetic enamel paint over a coat of red oxide primer (both side of cover) complete all as directed

M & L for plain cement concrete 1:4:8 type D2 using 40 mm graded aggregate for foundation complete all as directed

M & L for plain cement concrete 1:2:4 type B1 using 20 mm graded aggregate for sub base of foundation complete all as directed

M&L for Brick work with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius, built in cement mortar 1:6 complete all as directed.

Material and labour for rendering 10 mm thick in CM 1:6 on fair faces of concrete/brick surfaces finished even and fair complete all as specified and directed

Supply only Sodium Hypochlorite Solution Available Chlorine Percent by mass by volume (as Cl): 10% Packing: 35 Kg. / 50 Kg. / 100 Kg. plastic recycled jars Availability of Test Report from a laboratory / study centre of any State University (a university established or incorporated by a Provincial Act or by a State Act) OEM must possess the following valid certificates: FSSAI, ISO 9001, ISO 14001, ISO 45001 Make: Decliback and equivalent

Dismantling of water storage tank of capacity n.exc 500 ltr and removing to store

Dismantling of water storage tank of capacity Exc 500 but n.exc 1000 ltr and removing to store

Dismantling of water storage tank of capacity Exc 1000 but n.exc 2000 ltr and removing to store

S & F of 500 Ltr capacity of Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I including tank nipple, tank adaptor, union etc complete fitting all as specified and as directed.

S & F of 750 Ltr capacity of Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I including tank nipple, tank adaptor, union etc complete fitting all as specified and as directed.

S & F of 1000 Ltr capacity of Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I including tank nipple, tank adaptor, union etc complete fitting all as specified and as directed.

S & F of 2000 Ltr capacity of Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I including tank nipple, tank adaptor, union etc complete fitting all as specified and as directed.

Cleaning of PVC tank with bleaching powder and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc of capacity exc 250 but n.exc 500 ltr and painting the date of cleaning.

Cleaning of PVC tank with bleaching powder and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc of capacity exc 500 ltr but n.exc 1000 ltr and painting the date of cleaning.

Cleaning of PVC tank with bleaching powder and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc of capacity exc 1000 ltr but n.exc 2000 ltr and painting the date of cleaning.

Preparing the surface by removing the spalled and loose plaster from existing surface and making it sound and clean by removing all dust particle and washing the surface with jet water. Then allowing the surface to dry and check for any cracks, honeycombing and other foreign particle complete as directed by site engineer

Supplying, providing, mixing and laying over the prepared surface with cement mortar of average 15 mm thick or as per requirements in proportion 1:3 (1 Cement : 3 Sand) mixed with bonding agent, Nitobond SBR latex @ 5 litre per 50 Kgs of cement and integral waterproofing admixture Conplast WL of Fosroc Chemicals @ 125 ml per 50 Kg of cement complete as specified and directed by the Department.

Providing and applying Nitocote EP405 of Fosroc Chemical, 100% solid, Solvent free Epoxy resin coating for potable water and water retaining structure. The cured film is non-toxic and meets the requirements of IS: 9833-1981. All blow holes and imperfections in the substrate should be filled with Nitocote VF / Nitomortar FC. Coat thickness of 200 micron should be achieved in two coat, (both wrt WFT and DFT)

Taking down carefully existing aluminium conductor point wiring (light / fan / socket or power point) complete, with all fittings such as switches, socket, regulator, ceiling rose, utility light fittings and lamp holders etc and removing materials from site and making good the disturbed surfaces of walls roof and floor etc as per existing specification complete all as specified and as directed.

Taking down carefully by unscrewing from boards / outlet boxes, fittings and fixtures such as switches, sockets, ceiling roses, lamp holders, brackets, ceiling fittings, bulk head fittings, tube light fittings and fan regulators etc. for reuse at site complete all as specified and as directed. (Note : To be measured only when found serviceable in all respects complete for reuse)

Material and labour for point wiring for light/ fan controlled by 1 one way switch and regulator with 1.5 Sqmm PVC insulated unsheathed single core multi-stranded copper conductor (FRLS) cable 1100 Volts grade drawn through and including 20 mm dia (medium grade) rigid metallic steel stove enamelled ERW MS conduit ISI marked along wall section and surface conduit on ceiling with 1.5 sqmm continuous PVC insulated unsheathed single core multi-stranded copper conductor (FRLS) cable for earth continuity wire, connected to earth dolly and to be boxes , and concealed type with 2 mm thick bakelite sheet cover for mounting switches, sockets, fan regulators etc including testing on completion complete including all as specified and as directed.

All as per item no-96 here-in-before but for one15 Amp 3pin switch socket outlet, independent with 2.5 Sqmm single core multi-stranded copper conductor cable (FRLS) along with 2.5 sqmm continuous PVC insulated unsheathed single core multi-stranded copper conductor (FRLS) cable for earth continuity wire all as specified and as directed.

S&F Flame proof rotary switch with separate cable terminal box including rubber gasket as per IS 2149, SP 16 amps ,single pole , 250 ISI marked for ON/OFF light made out aluminium alloy LM-6 marked in high tensile steel with anticorrosive epoxy paint grey shade CMRI certified with cable entries complete .

Fixing only in Flame proof switch single pole one way 5 amp all as specified and as directed. (Note : Material obtained from item No 95 here in before shall be reused)

Supply and fixing flame proof switch socket out let combined in LM6 cable termination box in LM6 16 A 250 V 2P+ Earth multipurpose 3 pin 15 amp and one 3 pin 5 amp controlled by one switch all as specified and as directed

Fixing only flame proof LM 6 16 A 250 V 2 P+ E all as specified and as directed. (Note : Material obtained from item No 95 here in before shall be reused)

Supply and fixing flame proof JUNCTION BOXES 2/3/4 WAY suitable for 20 mm dia ERW Steel including taking out old unserviceable junction complete all as specified and as directed by the Engr-in -charge.

Supply and fixing flame proof/weather proof wellglass LED light fitting including tube suitable for 2x18 watt body made out of aluminium alloy LM-6 epoxy painted with wire guard ,mirror optic relecor LED as per IS 13947 body made out of aluminium alloy LM-6 epoxy painted with guard ,reflector, flameproof clear glass along complete all accessories prewired CIMFR certified and hardware in high tensile with corrosive epoxy grey shade paint fixed to wall/ceiling including flameproof flexible wire from fitting to terminal point ,complete all as specified and as directed by the engr-in-charge.

Supply and fixing flame proof/weather proof wellglass LED light fitting suitable for 60 watt LED as per IS 13947 body made out of aluminium alloy LM-6 epoxy painted with guard ,reflector, flameproof clear glass along complete all accessories prewired CIMFR certified and hardware in high tensile with corrosive epoxy grey shade paint fixed to wall/ceiling including flameproof flexible wire from fitting to terminal point ,complete all as specified and as directed by the engr-in-charge.

Taking down unserviceable 40/20/10 W FTL flame proof fitting /well glass flame proof fitting/ any Watt LED and repair/replacement of old unserviceable spare with new spares, re-assembling and re fixing in existing position and connecting with existing point (accessories/spare required for replacement will be measured and paid separately against item no 14 to 17) all as specified and as directed by the engineer-in-charge.

Supply only 18/20 W LED Master tube light.

Supply only LED lamp 40 Watt

Supply only LED lamp 22 /23 Watt.

Supply only LED lamp 15/18 Watt.

Supply only holder suitable for FLP Well glass led light fitting all as specified and as directed.

Supply and fixing sheet metal enclosure for MCB, DBs, phosphatised, Powder coated , Triple Pole and Neutral (TPN), suitable for 4 way, Double door 415 Volts all as specified and as directed .

Supply and fixing MCB Four Pole (FP) C curve 10kA breaking capacity of 63 amps, 415 Volts in proper position all as specified and as directed.

Supply and fixing MCB Single Pole (SP) C curve 10kA breaking capacity of 6 to 32 amps, 240 Volts in proper position all as specified and as directed.

S&F in proper position MCB Double Pole of capacity up to 40 amps, 240 Volts c-series with 10kA breaking capacity all as specified and as directed.

Material and labour for sub main wiring with four single core PVC insulated (unsheathed) multi strand copper conductor FRLS cable of size 6 sqmm and one single core PVC insulated (unsheathed) multi strand copper conductor FRLS cable of size 6 sqmm as in continuous earth wire drawn into and including in existing/surface/recessed steel/ concealed PVC conduit medium grade 25mm PVC conduit medium grade 25mm dia ISI marked complete with fittings and fixings accessories complete with taking down old unserviceable submain wiring and complete all as specified and as directed. Note : Four runs of 6 sqmm conductor for main and one run of 6 sqmm conductor as earth wire with PVC conduit shall be measured as one unit length.

Material and labour for sub main wiring with two single core PVC insulated (unsheathed) multi strand copper conductor FRLS cable of size 6 sqmm and one single core PVC insulated (unsheathed) multi strand copper conductor FRLS cable of size 6 sqmm as in continuous earth wire drawn into and including in existing/surface/recessed steel/ concealed PVC conduit medium grade 25mm PVC conduit medium grade 25mm dia ISI marked complete with fittings and fixings accessories complete with taking down old unserviceable submain wiring and complete all as specified and as directed. Note : Two runs of 6 sqmm conductor for main and one run of 6 sqmm conductor as earth wire with PVC conduit shall be measured as one unit length.

Material and labour for sub main wiring with four single core PVC insulated (unsheathed) multi strand copper conductor FRLS cable of size 2.5 sqmm and two single core PVC insulated (unsheathed) multi strand copper conductor FRLS cable of size 2.5 sqmm as in continuous earth wire drawn into and including in existing/surface/recessed steel/ concealed PVC conduit medium grade 25mm dia ISI marked complete with fittings and fixings accessories complete with taking down old unserviceable sub main wiring and complete all as specified and as directed. Note : Four runs of 2.5 sqmm conductor for main and one run of 2.5 sqmm conductor as earth wire with PVC conduit shall be measured as one unit length.

Material and labour for sub main wiring with four single core PVC insulated (unsheathed) multi strand copper conductor FRLS cable of size 1.5 sqmm and two single core PVC insulated (unsheathed) multi strand copper conductor FRLS cable of size 1.5 sqmm as in continuous earth wire drawn into and including in existing/surface/recessed steel/ concealed PVC conduit medium grade 25mm dia ISI marked complete with fittings and fixings accessories complete with taking down old unserviceable sub main wiring and complete all as specified and as directed. Note : Four runs of 1.5 sqmm conductor for main and one run of 1.5 sqmm conductor as earth wire with PVC conduit shall be measured as one unit length.

Fixing only in repair Flame proof switch single pole one way 15 amp all as specified and as directed.

Fixing only in repair flame proof switch socket out let combined in LM6 cable termination box in LM6 16 A 250 V 2P+ Earth multipurpose all as specified and as directed

Supply and fixing flame proof switch socket out let combined in LM6 cable termination box in LM6 32 A 440 V 3P+ Earth all as specified and as directed

Supply and fixing in repair upto 36/42 W LED Power Driver for Downlighters all as specified and as directed.

S&F in repairs, LED Wellglass fitting pressure die cast aluminium housing with heat resistant toughened glass & IP 66 protection luminaries of capacity 35 Watt complete all as specified and as directed by the Engineer-in-Charge. Make: Crompton Cat. Part No. LWV12-35-CDL-HP or equivalent as approved by GE

Testing of earth Resistance of existing earth pit as and when required using earth resistance testing equipments as directed by the Engr-in-Charge and producing the test result for recording purpose all as directed by the Engr in Charge. Note: 1)The contractor shall be asked to carry out the Earth Test as and when required as a whole or as a part of the qty. 2) Testing of each earth pit shall be measured as one unit. 3)All test result to be entered in a register properly bound and covered and to be submitted to the Engr-In-Charge 4) For the purpose of testing contractor shall supply all equipments and apparatus/instruments at his own cost without any extra claim

Material and labour for repairs to Earth pit including replacement of broken RCC cover by new 50 mm thick pre cast RCC ( 1:2:4) type B-1 cover slab (reinforced with 8 mm dia deformed bar @ 15 cm C/C both ways and suitable handle of 10 mm dia round bar) and other allied works as directed by the Engr in Charge

Taking down strip from earth pit and testing of resistance of existing earth pit of lightning conductor for its continuity through skilled electrician and helper using digital earth resistance tester to check the healthiness of earthing system in and including nut bolt with brass nut bolts as per required size and other necessary tools, plants and equipments including rectification of the discontinuity by providing new lightning conductor or refixing the displaced existing lighting conductor in place as required on top priority as and when required including necessary minor repair work as required during rectification complete all as directed by the Engr-In- Charge and producing the test result for recording purpose all as directed by the Engr in Charge. . [Note: 1) Testing of each earth pit shall be measured as one unit. 2) All the materials required to complete the work at site such as wooden plugs, Nut, bolt, Washers, saddles, fixing screw etc shall be provided by the contractor and deemed to be included in the rate quoted. 3) New material such as Air terminal, GI/ Aluminium strip shall be measured and paid separately. 4) Pouring of water and salt in Earth pit deemed to be included in the rate quoted necessary arrangement to be made by the contractor. 5) For the purpose of testing contractor shall supply all equipments and instruments at his own cost without any extra claim]

Taking out of old air termination rod of any type and any size from building including dismantling and removing (except serviceable strips for re-fixing) materials from work site complete all as specified and directed.

Supply and fixing air termination single pointed, aluminium rod 12mm dia and 300mm long fixed on galvanised iron pipes with copper/ aluminium/ GI strip for earth conductivity to ground complete all as specified and directed.

Re-fixing of old serviceable tilted air termination rod of any size and type after straightening & dressing with and including suitable nut, bolts and washers to earth strip complete all as specified and directed. (Note: Pipe/ PCC work shall be measured and paid separately).

Taking down old Copper/ GI/ Aluminium Strip of any size and any type from building/hangar (roof/down conductor)/ pipe/ trench including dismantling and removing (except serviceable strips for re-fixing) materials from work site complete all as specified and directed.

Supply and fixing copper strip 20mm x 3.5 mm with fixing screws for conductors/ earth lead including brazing and nut bolts jointing at all joints for building/ equipment laid through pipe/ trench/ surface complete all as specified and directed.

Supply and fixing galvanised iron strip 32mm x 6mm with fixing screws for conductors/ earth lead including welding and nut bolts jointing at all joints for building/ equipment laid through pipe/ trench/ surface complete all as specified and directed.

Re-fixing of old serviceable (serviceable strips as obtained from taking down) Copper/ GI/ Aluminium Strip of any size and type after straightening & dressing with and including saddles/ insulators with screws for fixing and making good disturbed strip complete all as specified and directed.

Supply & Fix Aluminium strip 25 x 3.15 mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as directed.

Taking out of old unserviceable test point terminal block of any type and any size including dismantling and removing materials from work site complete all as specified and directed.

M&L complete for test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm, drilled and screwed including 3 nos. 8mmdia 25mm long hex, head screw all as specified and directed.

Supply and fixing in replacement of GI funnel with wire mesh for earthing pits of existing size complete all as specified and directed.

Taking out old unserviceable earthing pit of any type complete with connected accessories including dismantling and removing materials from work site complete all as specified and directed.

M&L for Earthing complete with 3 m CI pipe 80 mm dia with flanged ends, centrifugally cast, class A, in any length, joints with suitable stainless steel nuts and bolts and sufficient slot up to 2.5mtrs length buried directly and preferably vertically in ground with top flanged ended 2.5mtrs below ground label welded/connected with GI strip/GI wire on the top edge of the flange to bottom edge of the flanged for earthing including filling the pit with charcoal common salt surrounding the earth pipe including drilling 400 mm dia bore in any strata of soil to lower the CI pipe complete necessary excavation and earth work PCC (1:3:6) type C-1 with 50 mm thick pre cast RCC (1:2:4) type B-1 cover slab and necessary testing on completion complete all as specified and as directed . .

M&L for earthing complete with galvanised steel earth plate 600mm x 600mm x6mm thick electrode and 32mm x 6mm galvanised iron strip as earthing lead buried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level, the earth plate surrounded by adequate quantity of charcoal dust and common salt to a packed thickness of 15 cm on all sides connected to GI strip 32mm x 6mm as earth lead by means of bolts, nuts, check nuts and washers (including welding) of galvanised iron or steel and connected to main switch board / panel/ test point at the other including necessary earth work in any type of soil, returning filling in and removal of surplus soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC 1:2:4 type B1 cover slab 54cm x 54cm x 5cm reinforce with 8mm dia bar TMT @150mm centre to centre both ways with one handle for lifting made out 8mm dia MS bar with wire mesh funnel, 20mm GI tubing medium grade for watering and 40mm GI tubing light grade for protection, test point, testing on completion all as shown in Electrical Plate No 3 of SSR Part-I complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate 600mm x 600mm x6mm thick electrode and 4mm galvanised iron/GI wire as earthing lead buried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level, the earth plate surrounded by adequate quantity of charcoal dust and common salt to a packed thickness of 15 cm on all sides connected to GI wire of 4mm dia earth lead by means of bolts, nuts, check nuts and washers (including welding) of galvanised iron or steel and connected to main switch board / panel/ test point at the other including necessary earth work in any type of soil, returning filling in and removal of surplus soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC 1:2:4 type B1 cover slab 54cm x 54cm x 5cm reinforce with 8mm dia bar TMT @150mm centre to centre both ways with one handle for lifting made out 8mm dia MS bar with wire mesh funnel, 20mm GI tubing medium grade for watering and 40mm GI tubing light grade for protection, test point, testing on completion all as shown in Electrical Plate No 3 of SSR Part-I complete all as specified and directed.

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