Repair / Maint of External Water Supply Installation Plant / Machine including Pipe Lines allied Water Supply and Solar Water Heater work at Tech Area, VSV, MES Colony at 7 BRD AF under GE (AF) Tughlakabad

Amount

Taking up unserviceable CI water main including all fittings with spigot & socket MS pipe or any other type of pipe or lead joint including burning out joint & recovering lead from pipe of 150 mm bore for laying/rerouting of serviceable pipe after cleaning complete all as specified and directed by Engr-in-charge.

-ditto- All as per item No 1 above but 200 mm dia bore

M&L for DI pipes of size 100mm bore with spigot and socket end centrifugally cast class "K- 7", in any length laid in trenches/on surface/ over masonry pillar and connection to old or new position complete all as specified and directed by Engr-in-charge. Note: DI fitting/lead joint/Tyton joint shall be measured and paid separately. All the dismantle/demolish/taking down material shall be reused or removed from site as directed.

-ditto- All as per item No 2 above but 150 mm dia bore

-ditto- All as per item No 2 above but 200 mm dia bore Note for sl item Nos 2 to 2.2: Necessary DI fittings/lead joints/Tyton joinst will be measured and paid separately.

M&L for DI bends (anytype, radius and angle) taper of any type (straight bend or increasing/decreasing or double socket etc.) Tee pipe single branch 'Y' junction double branch cross, all socket and spigot collars, caps and plug for the pipe socket & spigot of size upto 150 mm dia complete all as specified and directed by Engr-in-charge. Note: Necessary Lead /gasket for fittings shall be measured and paid separately.

Supply and laying in replacement of galvanized steel water tubing medium grade in trenches/wall/floor with all fittings and connections as required at site of size 15 mm bore complete all as specified and directed by Engr-in-charge.

-Ditto- All as per Item No 4 Above but 20 mm bore.

-Ditto- All as per Item No 4 Above but 25 mm bore.

-Ditto- All as per Item No 4 Above but 40 mm bore.

-Ditto- All as per Item No 4 Above but 50 mm bore.

-Ditto- All as per Item No 4 Above but 80 mm bore.

-Ditto- All as per Item No 4 Above but 100 mm bore.

S&F in replacement of gun metal stop valve with iron handle screwed both ends for iron pipe and fixed of size 15 mm bore complete all as specified and directed by Engr-in-charge.

-Ditto- All as per Item No 5 Above but 20 mm bore.

-Ditto- All as per Item No 5 Above but 25 mm bore.

-Ditto- All as per Item No 5 Above but 50 mm bore.

M&L for rubber gasket joint/ tyton joint for CI/DI pipe of size 100 mm bore complete all as specified and directed by Engr-in-charge.

M&L for rubber gasket joint/tyton joint for CI/DI pipe upto size 150 mm bore complete all as specified and directed by Engr-in-charge.

S&F cast iron detachable joint for 80 mm bore of pipes for coupling AC/CI/GI/PVC pipe including nuts, bolts and rubber ring etc for short collar/long collar as per site requirement for complete all as specified and directed by Engr-in-charge.

-ditto- All as per item No 8 above but 100 mm dia bore

-ditto- All as per item No 8 above but 150 mm dia bore

Taking down carefully cast iron sluice valve of size 150 mm bore from CI water mains, dismantling parts and reassembling, replacement of SS spindle for sluice valve, class PN 1.0, and repacking stuffing box of sluice valve spindle, re-fixing in original position including provision of nuts, bolts, washers, rubbers gaskets etc complete all as specified and directed by Engr-in-charge.

Taking down carefully cast iron sluice valve of size 100 mm bore from CI water mains, dismantling parts and reassembling, replacement of SS spindle for sluice valve, class PN 1.0, and repacking stuffing box of sluice valve spindle, re-fixing in original position including provision of nuts, bolts, washers, rubbers gaskets etc complete all as specified and directed by Engr-in-charge.

Taking down carefully cast iron sluice valve of size 80 mm bore from CI water mains, dismantling parts and reassembling, replacement of SS spindle for sluice valve, class PN 1.0, and repacking stuffing box of sluice valve spindle, re-fixing in original position including provision of nuts, bolts, washers, rubbers gaskets etc complete all as specified and directed by Engr-in-charge.

M&L for replacement of pressure gauge to read in IS/BS unit type KG/cm2 and LB/inc2 reading marked 0-30, 0-2 respectively including taking out old material complete all as specified and directed by Engr-in-charge.

Taking out existing unserviceable CI sluice valve of any size any pattern from 80 mm to 150 mm bore pipe line complete all as specified and directed by Engr-in-charge.

S&F cast iron sluice valve of size 80mm dia Stainless Steel stem PN-1.6 (Flanged) conforming to IS 14846 hand wheel operated complete all as specified and directed by Engr-in-charge.

-ditto- All as per item No 14 above but 100 mm dia bore

-ditto- All as per item No 14 above but 150 mm dia bore

S&F in replacement of GI socket of size 15 mm bore complete all as specified and directed by Engr-in-charge.

-Ditto- All as per Item No 15 Above but of size 20 mm bore.

-Ditto- All as per Item No 15 Above but of size 25 mm bore.

-Ditto- All as per Item No 15 Above but of size 50 mm bore.

S&F in replacement of GI union of size 15 mm bore complete all as specified and directed by Engr-in-charge.

-Ditto- All as per Item No 16 Above but of size 20 mm bore.

-Ditto- All as per Item No 16 Above but of size 25 mm bore.

-Ditto- All as per Item No 16 Above but of size 40 mm bore.

-Ditto- All as per Item No 16 Above but of size 50 mm bore.

S&F in replacement of GI nipple of size 15 mm bore and 6 inch long complete all as specified and directed by Engr-in-charge.

-Ditto- All as per Item No 17 Above but of size 20 mm bore.

-Ditto- All as per Item No 17 Above but of size 25 mm bore.

-Ditto- All as per Item No 17 Above but of size 40 mm bore.

-Ditto- All as per Item No 17 Above but of size 50 mm bore.

S&F in replacement of GI elbow of size 15 mm bore medium grade complete all as specified and directed by Engr-in-charge.

-Ditto- All as per Item No 18 Above but of size 20 mm bore.

-Ditto- All as per Item No 18 Above but of size 25 mm bore.

-Ditto- All as per Item No 18 Above but of size 40 mm bore.

-Ditto- All as per Item No 18 Above but of size 50 mm bore.

S&F in replacement of PIG LEAD JOINT metal type for CI/MS pipeline complete all as specified and directed by Engr-in-charge.

S&F in replacement of SPUN YARN for CI/MS pipeline complete all as specified and directed by Engr-in-charge.

Taking out existing unserviceable NRV of size 50-150 mm bore complete all as specified and directed by Engr-in-charge.

S&F cast iron NRV flanged end of size 150 mm dia with all fitting and accessories complete all as specified and directed by Engr-in-charge.

-Ditto- All as per Item No 22 Above but 100 mm dia

-Ditto- All as per Item No 22 Above but 80 mm dia

-Ditto- All as per Item No 22 Above but 50 mm dia

Demolition of the existing broken valve chamber including brick work and PCC work complete all as specified and directed by Engr-in-charge.

M&L for construction of valve chambers with MS cover 3 mm thick of valve pit size 1200x1200x1200 mm (internal dimensions) including necessary excavation, earth work, 150 mm thick PCC 1:4:8 Type D2 as in foundation, PCC 1:2:4 Type B1 in coping, plastering 15 mm thick in cement mortar 1:4 and angle iron frame 50x50x6 mm and locking arrangement including painting including painting with two coats of synthetic enamel paint over a coat of red oxide primer to iron surfaces and two coats of cement base paint over a coat of primer to all internal and exposed external plaster surfaces duly preparing the new surfaces complete all as specified and directed by Engr-in-charge.

Excavation in trenches in soft / loose soil not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth etc complete and getting out in soft soil including trimming sides and bottom of trenches complete all as specified and directed by Engr-in-charge.

Returning filling in trenches including watering and well ramming in layer not exceeding 25 cm thick in soft/ loose soil complete all as specified and directed by Engr-in-charge.

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

M&L for cutting under road, hardstanding, pavement for boring of holes by trenchless technology using ultra sounding technique and machine including pipe of 150 mm dia working pressure capacity 0.4 mpa for laying pipes and making good the same after laying the pipe with PCC 1:4:8 type-D2 by using 40mm gradded aggregate over filled, rammed earth from the top of the ground minimum 150 mm thick to match the surroundings and making good the disturbed surfaces complete all as specified and directed by Engr-in-charge.

M&L for minor repairing and attending the complaint of pipeline leakage of any type by highly skilled tradesman and making functional including GI fitting required like elbow, socket, tee, nipple, bend, union etc. making new threads as required including excavation, returning filling, removing soil and earth work complete all as specified and directed by Engr-in-charge. Note: (i) Complaint of urgent nature will be attended round the clock including Sunday and holiday to restore the water supply. The rate quoted by the contractrator shall include the same aspect. (ii) Fittings required will be measured and paid separately. (iii) Excavation will be measured and paid separately under appropriate item.

M&L in replacement of Earthing complete with galvanised steel earth plate electrode, 600x600x6mm thick, buried directly in ground vertically to depth not less than 1.5 meters below normal ground level, connected to galvanised iron earthing strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, CGI watering pipe 20mm bore light grade with funnel and wire mesh, PCC chamber in cement concrete 1:3:6, type C1, 80mm thick pre-cast RCC 1:2:4, type B-1 cover reinforced earth plate surrounded by alternate layers of packed charcoal, salt oacked which shall not be less than 15 cm in all side of earth plate complete all as shown in electrical plate No 3 of MES schedule Part-I complete all as specified and directed by Engr-in-charge.

Dewatering of balance leftover water by using the required capacity pump and removal of mud and settled silt including scrapping the complete inner surfaces with the help of wire brush etc and cleaning with water and bleaching of the following OH tank/ UG sumps and applying two coats of white wash to all internal surfaces of wall and Two coats of colour wash painting to all external exposed surfaces and painting to obliterating labels shall not less than 60x40 cm by making black paint background and writing by using white paint to match with existing dimension and writing particulars such as capacity of sump, date of cleaning and due date of next cleaning etc. including removing the mud/silt etc. obtained after cleaning up to the distance 50 m complete all as directed by Engr-in-charge for the following capacities:- Note: Quoted rate shall be included for marking on tank.

For Semi underground sump of capacity 160000 GLNS at Technical area (Two compartments).

For Semi underground sump of capacity 10000 GLNS at Vayusenavihar.

For Semi underground sump of capacity 200000 GLNS at GE office complex.

For overhead tank of capacity 105000 GLNS at Technical area.

S&F in replacement Submersible cable PVC insulated copper conductor flat 3 core 6 Sqmm 1100 Volt complete all as specified and directed by Engr-in-charge.

S&F in replacement copper cable conductor 25 Sqmm single core 1100 Volts multistranded complete all as specified and directed by Engr-in-charge.

S&F in replacement of Total Dissolved Solids meter (TDS meter) complete all as specified and directed by Engr-in-charge.

S&F in replacement motorized butterfly valve 100 mm single phase supply AC 220 V with complete accessories and actuator complete all as specified and directed by Engr-in-charge.

M&L for preparation of old cast iron or GI steel water tubing including all fittings and sluice valve surfaces and applying two coats of synthetic enamel paint of approved colour on suction, delivery of pump sets, pipeline of dia not more than 200 mm complete all as specified and directed by Engr-in-charge.

Taking out existing unserviceable foot valve of size 150 mm bore complete all as specified and directed by Engr-in-charge.

S&F cast iron foot valve flanged end of size 150 mm dia with all fittings and accessories complete all as specified and directed by Engr-in-charge.

S&F in replacement Nut, bolt, washer of different size complete all as specified and directed by Engr-in-charge.

S&F in replacement lather gasket complete all as specified and directed by Engr-in-charge.

S&F grease of appropriate quantity for pump servicing and filling of gland dori in pump complete all as specified and directed by Engr-in-charge.

Testing of Raw Water and treated water for bacteriological analysis, Chemical analysis, Arsenic presence test i.e. PH value, Odour, Taste, Total hardness chloride, TDS, Sulphate, Calcium, Magnesium, Total alkalinity, Free residual chlorine, Colour, Turbidity, Conductivity, PH Alkalinity, Carbonate Hardness, Non magnesium hardness, Ammonia, Nitrate, Iron, Flouride, Colli, Total Colliform, Residual chlorine tests from any Govt. Approved/ recognized Lab or NABL approved Lab or as approved by the GE complete all as specified and directed by Engr-in-charge. Note: Quoted rates shall be included the cost of carry out the sample, getting tested and submit the report timely.

M&L for earth conductor or main earthing lead fixed to wall on batten or recess or buried in ground or drawn in conduit/pipe or fixed to pipe or fixed to poles or any other indicated situation for earthing etc as required of 25 x 4 mm galvanised iron strip complete all as specified and directed by Engr-in-charge.

M&L in replacement for MCCB 3 Pole 63 Amps, 25 KA complete all as specified and directed by Engr-in-charge. Make: Cat No 420043 of Legrand/Cat No IHLGHT0063 of Havells / Cat No CM91612OOHOOG of L&T

M&L in replacement for MCCB 3 Pole 100 Amps, 25 KA complete all as specified and directed by Engr-in-charge. Make: Cat No 420045 of Legrand/Cat No IHLFNF0100# of Havells / Cat No DZIT0100DXD1A of L&T

M&L in replacement for MCCB 4 Pole 100 Amps, 25 KA complete all as specified and directed by Engr-in-charge. Make: Cat No 420095 of Legrand/Cat No IHLFNF0100# of Havells / Cat No DZIT0100DXD1A of L&T

M&L in replacement for MCCB 4 Pole 200 Amps, 35 KA complete all as specified and directed by Engr-in-charge. Make: Cat No 420238 of Legrand/ Cat No IHLFNF0200# of Havells / Cat No CM9200900NIOG of L&T

M&L in replacement for MCCB 4 Pole 250 Amps, 50 KA complete all as specified and directed by Engr-in-charge. Make: Cat No 420249 of Legrand/ Cat No IHLFNF0250# of Havells / Cat No CM92109OOPIOG of L&T

M&L in replacement for Digital type Ampere meter, 415 Volt suitable for existing panel, CT operated of range 0-500 V complete all as specified and directed by Engr-in-charge.

M&L in replacement for Digital type Volt meter, 415 Volt suitable for existing panel, CT operated of range 0-500 V complete all as specified and directed by Engr-in-charge.

S&F in replacement Direct on line Submersible pump starter of capacity 7.5 HP (5.5 KW) current rating 18 Amp overload relay range 12-18 Amp complete all as specified and directed by Engr-in-charge. Make: Havells Cat No - IHDASAL2*E / L&T Cat No-SS95983DOAO

M&L in replacement for MNX/MCX front block 2 NO and 2 NC complete all as specified and directed by Engr-in-charge.

M&L in replacement for terminal block single way suitable for mounting unit complete all as specified and directed by Engr-in-charge.

M&L in replacement for Single phase preventer VSP 2 auto/ manual reset of any size, 415V complete all as specified and directed by Engr-in-charge. Make: Cat No VSP 2 of Minilec/Cat No CS94824DOOO of L&T

M&L in replacement for Power contactor 3 Pole, Type CN5 65 AC 3 rating 65A complete all as specified and directed by Engr-in-charge. Make- Legrand Cat No-416180, Havells Cat No-IHPAA086611, L&T Cat No-CS97076

M&L in replacement for Power contactor 3 Pole, Type MNX 70 AC 3 rating 70A complete all as specified and directed by Engr-in-charge. Make- Legrand Cat No-416220, Havells Cat No-IHPAA095611, L&T Cat No-CS97076

M&L in replacement for Power contactor 3 Pole, Type MNX 32 AC 3 rating 32A complete all as specified and directed by Engr-in-charge. Make- Legrand Cat No-416120, Havells Cat No-IHPAA032410, L&T Cat No-CS94111

M&L in replacement for Power contactor 3 Pole, 415V, MNX 40 complete all as specified and directed by Engr-in-charge. Make- Legrand Cat No-416120, Havells Cat No-IHPAA025310, L&T Cat No-CS94110

S&F in replacement of Power contactor 3 Pole, 220 V, Type MNX 18/25 complete all as specified and directed by Engr-in-charge. Make: Cat No CS94110 of L&T or equivalent in Havells/Legrand

S&F in replacement of Power contactor 3 Pole, Type 4 ML AC 3 rating 70 A with auxiliary contact 2 NO + 2 NC complete all as specified and directed by Engr-in-charge. Make: Cat No SS90910 of L&T or equivalent in Havells/Legrand

Supply only powered chlorine dioxide disinfect for water treatment more stable than bleaching powder and sodium hypochlorite complete all as specified and directed by Engr-in-charge. Make: SCS-10K (CLO2) or equivalent as approved by Engr-in-charge.

M&L in replacement for CI water meter woltman type magnetic drive class-B flanged end of size 200 mm dia complete all as specified and directed by Engr-in-charge.

M&L in replacement for Electronic overload relay (Manual reset) relay range 9-16 Amp suitable for direct mounting complete all as specified and directed by Engr-in-charge. Make- Indoasian Cat No-851163, Havells Cat No-IHNR11MM, L&T Cat No-CS9597900A0

M&L in replacement for Electronic overload relay (Manual reset) relay range 25-32 Amp suitable for direct mounting complete all as specified and directed by Engr-in-charge.

M&L in replacement for Electronic overload relay (Manual reset) relay range 45-75 Amp suitable for direct mounting complete all as specified and directed by Engr-in-charge. Make- Indoasian Cat No-851176, Havells Cat No-IHNR33MW, L&T Cat No-CS94137OOJO

M&L in replacement for Electronic timer 415 Volt, 50 Hz range 3-10 Seconds complete all as specified and directed by Engr-in-charge. Make- Selzer Cat No-2B5DTS, L&T Cat No-ST803280000

M&L in replacement for REX surface mounting switch suitable for motor starter 415 Volt, 50 Hz, Range 3-10 Seconds complete all as specified and directed by Engr-in-charge. Make- Legrand Cat No-649915 or equivalent in L&T

M&L for Lifting of defective submersible pumping set of any make and capacity from bore well after providing lifting tools, chain pulley etc. as required carefully, by disconnecting/ dismantling all electric connections, column pipes, steel ropes/chain and keeping them under safe custody for re-use and Lowering of repaired /overhauled/re-winded submersible pumping set of any make and capacity inside bore wells after proper coupling of pump and motor, fixing old/new chain with clamp, connecting/re-fixing existing/new column pipe lines with new rubber gasket 3mm thick, nuts, bolts & washers carefully with the help of chain pulley etc. & carefully re-connecting all electric/water lines and testing on load to the entire satisfaction of Engineer-in-charge complete all as specified and as directed by Engr-in-charge. NOTE: (i) The cost of transportation of the defective submersible pumping sets (pump or motor) from site to workshop & back is deemed to be included in the quoted rates. (ii) Repair of motor and pump measured separately (iii) Re-fixing of column pipe to be done after proper descaling using steel wire brush

Taking out submersible motor of any description any size and M&L for rewinding of burnt submersible motor of size 5 HP to 12.5 HP, 3 phase, 415 V, 50 Hz of any make with water proof insulated copper conductor of the same specification as per old one after dismantling/cutting out burnt windings from stator assembly, cleaning slots properly complete with insulating slots packing, sleeves, papers & reassembling stator and rotor after replacement of worn out spares/matching works including painting with two coats of synthetic enamel paint over a coat of red oxide primer after preparation of motor external surface and water proof jointing for submersible cable 3 core, with replacement of oil seal, sand guard, bolt gasket, cable packing ring, circlip, bearing bush upper & lower etc. complete all as specified and as directed by Engr-in-charge.

Supply only in replacement of following defective spare parts of submersible motor of any description/make and capacity 05 to 12.5 HP and in any position :-

Bearing lower / upper housing of existing size

Gunmetal bearing bush

Carbon bush

Water seal

Bearing bush rubber

Turning and polishing of motor shaft including lathe work

Supply only in replacement of following defective parts of submersible pumps of any description/make and capacity 05 to 12.5HP and in any position:-

Stage casing bowl (SS-410 material)

Rubber bearing bush

Stage casing gun metal bearing bush

Impeller of existing casing size capacity

Neck ring

Defective Stainless steel sleeve

NRV body suitable for any make of submersible pump

MS coupling and key common suitable of pump shaft and motor shaft of any type of submersible pump.

Stainer

Disconnecting the electric and water pipe connection for Transportation of pump set 40 HP of any make to civil workshop for repair and return to site after repair and re-fixing the same including alignment and testing complete all as specified and as directed by Engr-in-charge.

All as per item No 72 above but of size 60 HP

All as per item No 72 above but of size 7.5 HP

All as per item No 72 above but of size 3 HP

Taking out the 40 HP centrifugal pump from the motor and rewinding of motor same gauge with super enameled copper wire including removing burnt winding cleaning of slots separation of rotor and starter making insulation to all joint and replacement of ball bearing - 02 Nos, cooling fan - 01 Nos, capacitor of suitable mfd, seal, bush and shaft complete all as specified and directed by Engr-in- charge.

All as per item No 73 above but of size 60 HP.

All as per item No 73 above but of size 7.5 HP.

All as per item No 73 above but of size 3 HP.

Opening of centrifugal pump including replacement of the Gun metal impeller - 01 No, Gun metal bush - 02 Nos, Ball bearing - 02 Nos, Oil seal - 01 No and Gland - 01 No and re-assembling, commissioning and testing for following capacities complete all as directed by Engr-in-charge:-

All as per item No 74 above but of size 60 HP

All as per item No 74 above but of size 40 HP

All as per item No 74 above but of size 7.5 HP

All as per item No 74 above but of size 3 HP

M&L for turning/remetalling and polishing of pump shaft with shaft key including lathe work complete all as specified and directed by Engr-in-charge.

S&F in coupling with shaft key including rubber coupling suitable for upto 60 HP pump set including taking out existing unserviceable coupling complete all as specified and directed by Engr-in-charge.

M&L for cutting and repairing of existing CI/DI/GI/MS pipeline in position for rectifying leakage and reducing to required length, in position, for insertion of collars or other fittings including necessary excavation and earthwork, dewatering etc. if any involved for 80mm bore of pipe complete all as specified and directed by Engr-in-charge.

All as per item No 77 above but for 100 mm bore pipe.

All as per item No 77 above but for 150 mm bore pipe. Notes for sl item Nos 77 to 79: Insertion of fittings/pipes pieces etc shall be measured and paid separately under respective item.

Taking down solar water heater for repair and maintenance including service of solar water heater installed at airmen billet and testing and commissioning after repair comprising of the following complete all as specified and directed by Engr-in-charge:-

S&F in replacement of stainless steel inner and outer tank suitable for solar plant of capacity 500 LPD alongwith provision for mounting thermostat and heating element upto 3 KW complete all as specified and directed by Engr-in-charge.

Descaling of solar water heating tank and pipeline by re-circulating descaling solution complete all as specified and directed by Engr-in-charge.

S&F in replacement of flat panel collector made up of copper suitable for solar plant of capacity 500 LPD complete all as specified and directed by Engr-in-charge.

S&F in replacement of reflector and structure suitable for solar plant of capacity 500 LPD complete all as specified and directed by Engr-in-charge.

S&F in replacement of PUF insulation of GI/PPR pipe of size 25mm dia suitable for solar plant of capacity 500 LPD complete all as specified and directed by Engr-in-charge.

S&F in replacement of evacuated type tubing suitable for solar plant of capacity 500 LPD complete all as specified and directed by Engr-in-charge.

M&L for preparation of structure surfaces of solar plant and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed by Engr-in-charge.

S&F in repair water level indicator for over head reservoir/UG sump by providing high quality MS steel rope of suitable dia and length as required on site with Copper float ball of size not less than 200mm dia and suitable counter weight arrangement including MS clamps, MS pulley and MS Sheet of size 3mtrX0.45mtrx1.6mm thick, with angle iron fabrication work of size not less than 40mmX40mmx5mm, including necessary fabrication and welding, bending works etc. including writing and marking levels on MS Sheet indicator as per tank capacity and painting, including necessary PCC and civil works complete all as directed on site also including other accessories i.e. nuts, bolts, clamps for fixing Indicator on RCC tank Pillar etc and making functional complete to the satisfaction of EIC and complete all as directed at site.

Notes: The amount of Rs 1,56,210.00 against schedule of credit given on Tender Serial Page Nos 49 & 50 shall be deducted from the total amount quoted by the contractor against BOQ while deriving the contract sum for acceptance.

Deepak Electricals

Bluemax Associate

M/S S.K.Electricals