REPAIR/ REPLACEMENT TO EXISTING EARTHING PITS AT 46 WEU AND CERTAIN MINOR AND REVENUE WORKS AT AF STN BAGDOGRA UNDER GE (AF) BAGDOGRA

Amount

False Ceiling and Fitment of Fire Resistant False Ceiling Dismantling wall and ceiling boards (fibre, pulp, insulation etc) or insulation boards/slabs etc any thickness including cover fillets complete all as specified and directed.

S&F for Powder coated galvanised iron snap grid frame work of size 600x600mm for false ceiling comprising of Main runner 'T' section of size 38mmx24mmx0.3mm thickness and wall angle of size 24mmx24mmx0.40mm thick suspended with 4mm dia GI wire from purlin @ 1.2m centre to centre complete all as specified and directed.

S&F 12mm thick Perforated particle board/ tiles for insulation, fire resistant and accoustic purposes, 60x60 cm in size, fixed on snap grid false ceiling complete all as specified and directed.

Ceiling/Exhaust Fans at SMQs/OMQs/Messes Billets S&F ceiling fans complete with blades, down rods, electronic regulator and accessories, 230 V, 1200mm sweep. Min air delivery 210 CFM with service value 6.00 BEE. Five star rated with brushless direct current motor (BLDC) complete all as specified and directed.

S&F exhaust fan, steel body, AC single phase, 230V of size 300mm sweep with blades and frame and louvers complete all as specified and directed.

M&L for Point wiring with 1.5 Sqmm (22/0.30mm) PVC insulated and unsheathed multistranded copper conductor cable, 1100 volts grade, ISI marked, FR type drawn through and including Concealed PVC conduit (ISI marked) and its accessories such as Tee, elbow, jointer, elbow corner etc. fixed on surface of wall, columns/ beams along with 1.5 Sqmm (nominal area) copper conductor cable (multistranded) PVC insulated and unsheathed as earth wire connected to common earth dolly at one end and metallic bodies of luminaire/ fan at other end including PVC folding boards with sunmica top for mounting switches. socket, fan regulators, accessories etc as per site requirement and all as specified and directed by Engr-in-Charge for one fan point controlled by one switch with cables 1.5 Sqmm size. Note:- Unit rate include for cutting chases for conduits and sinking for boxes and making good to wall, floors etc.

Lt Cable for Shopping Complex Supply, fixing and laying on wall 1100 Volts grade, heavy duty LT UG cable, 35 Sqmm. 3.5 Core with XLPE insulated stranded aluminium conductor served with an inner sheathing of PVC tape, armoured with galvanised steel wire and overall sheathed including cable gland lugs, joining material etc joining, connecting, testing and commissioning complete all as specified and directed.

S&F MCCBs TPN, 63 Amps, 415 Volt, 16KA, 4 Pole to be fixed on LT panel complete all as specified and directed.

All as per item No 08 above, but for MCCB, 4 Pole, 415 V, adjustable type, 160 Amps with breaking capacity 36 KA complete all as specified and directed.

S&F submain wiring with two single core PVC insulated unsheathed, multistranded flexible copper conductor 1100 Volts grade, FRLS type, cable 6 Sqmm drawn through in and including rigid PVC heavy duty concealed conduits including 6 Sqmm, 1100 Volts grade, FRLS type, PVC insulated unsheathed multistranded flexible copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified and directed. Note: (i) Two runs of cables and one run of continuous earthing of same section cable drawn in conduit will be measured as one length of sub main. (ii) Unit rate include for cutting chases for conduits and sinking for boxes and making good to wall, floors etc.

S&F TPN distribution board sheet metal enlosure double door shutter type factory made fixed flush with wall or outside on wall surface suitable for mounting isolators & MCB's 415 Volts, 200 Amp rated bus bar with front openable cover suitable for TP & N 4 ways complete all as specified and directed.

S&F MCB, 63 TPN Amps 415 Volt, 16 KA, 4 Pole to be fixed on TPN DB complete all as specified and directed. Make: Hager/ Legrand/ C&S.

S&F MCB, SPN/DP 40 Amps, 230 Volts, 50 Hz with 10 KA complete all as specified and directed. Make: Legrand/ ABB/ Hager/ Havells.

S&F MCB, SP 6-32 Amps, 230 Volts, 50 Hz with 10 KA complete all as specified and directed. Make: Hager CP No NBN132N or Legrand/ ABB.

Earthing Pits M&L for safe earthing electrode (SEE) designed with pipe technology with hot deep zinc coated & alloy coated (80-100) microns MS pipe size of outer pipe 76.3mm dia and inner pipe 41.9mm, 3 mtr long inside filled with crystalline conductive mixture (CCM) having non corrosive and conductive properties complete with two bag of black filled compound (Conductolite) mixed with soil all around the earth pipe for smooth charge dissipation complete including connection of copper earth strips upto test point complete all as per site requirement and as specified and directed including taking down existing earthing. Make: Ashlok Model No. ASEEL-39-ZC & AC with Black fill compound (CONDUCTOLITE) or equivalent of approved make. Note: (i) Earth work like excavation, returning filling and removal to be measured and paid separately. (ii) PCC earth pit of size 450 x 450 x 450mm with RCC pit cover to be made and measured and paid separately. (iii) Earth result shall be jointly recorded value shall be less than 1 ohm.

M&L for 40mm bore GI pipe light grade, ISI marked for earth strip protection/ for lightening arrester with all fixing accessories for copper strip such as nut, bolts and washers, insulator with necessary brick work for fixing GI pipe complete all as specified and directed by Engr-in-Charge.

M&L for fresh agriculture soil having low earth resistance and free from stone particles and impurities complete all as specified and directed.

M&L for Test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25mm, drilled and screwed including 3 Nos, 8mm dia, 25mm long hex head screw complete all as specified and directed by Engr-in-Charge.

M&L for earth result marker board of MS sheet 3.15mm thick with suitable size of MS flat of 20x6mm thick and 1.2mtr long and 1 mtr above ground level after proper grouting in ground with suitable PCC work and painting with suitable colour complete all as specified and directed. Note: Shapes, size and colour of paint as per existing or directed by Engr-in-Charge.

Supply, fixing and brazing in replacement of Earth continuity conductor with adequate size insulator fixed to wall on batten or recess or any other indicated situation for loop earthing etc, as required 32mm x 6mm copper strip complete all as specified and directed.

S&F porcelain ridge insulator of size 75x35x40mm with01 No GI blot of 65mm dia and 40mm long including nut & washer and 02 Nos GI bolt of 10mm dia and 50mm long including nut & washer for holding/fixing copper/GI/ Aluminium strip on roof/wall complete all as specified and directed.

M&L for PCC pit of 1:2:4 type B-1 of size upto 45x45x45cm and cover reinforced with XPM, weight not less than 4 Kg/Sqm and 6mm dia bar handle, earth pit angle iron frame of size 30x30x4mm complete all complete all as specified and directed by Engr-in-Charge.

M&L for RCC earth pit cover of size 450x450x40mm reinforced with XPM, weight not less than 4 Kg/Sqm and 6mm dia handle complete all as specified and directed by Engr-in-Charge including taking down existing cover.

M&L for brazing of existing copper strip of any size, any height (on roof/ on wall) at various places complete all as specified and directed.

M&L in repairs for GI funnel and wire mesh for earth pits complete all as specified and directed by Engr-in-Charge.

Excavation in trenches not exceeding 1.5m wide and exceeding 1.5m in depth for renewal of earthing pit or taking out pipe line etc for repairs/ laying cables etc and getting out in soft/loose or Hard/dense soil complete all as specified and directed by Engr-in-Charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and directed by Engr-in-Charge.

Removal of excavated material [soil] to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed by Engr-in-Charge.

Split AC against BER AC at 46 WEU Taking down old unsv BER AC 1.5 Ton from site to MES Store Yard complete all as specified and directed.

Taking down old unsv main wiring of any size and related unsv accessories including making well the disturbed surfaces with cement work, plastering and paint complete all as specified and directed.

Supply and installation of air cooled split unit air conditioner electric driven, single phase of capacity of 1.5 TR with 5 star rating along with connected accessories, complete all as specified and directed.

AC for NVD room 624 GF and Dog Squad M&L for PVC sheathed cable wiring with copper conductor cables in PVC casing and capping, one 3 pin socket outlet, 15 Amps independent with cables 4 Sqmm size complete all as specified and directed.

S&F Single pole and neutral enclosure with a two pin earth plug and socket complete with one single pole MCB complete all as specified and directed.

S&F wiring for submain wiring along with earthwire with 2x6.0 Sqmm + 1x6.0 Sqmm earth wire size of FR, PVC insulated copper conductor, single core cable in surface/ recessed as required in steel conduit complete all as specified and directed.

S&F sheet metal enclosure DB single pole and neutral 4 way with 200 Amps rated bus bar complete all as specified and directed.

S&F MCB SPN 32A, rating 240V, 10KA 'C' Curve all as specified and directed.

S&F MCB SP 20A, rating 240V, 10KA 'C' Curve all as specified and directed.

S&F Voltage Stabilizer with rated capacity 130-300 Volt operation range in auto mode with high and low voltage auto cut off complete all as specified and directed.

AC Timer for 798 SU Supply and installation of Timer Circuits ON delay and OFF delay combined in one unit enclosed in fibre box for automatic switching ON and OFF at specified time periods of Air Cooled Split unit air conditioner electric driven, single phase of capacity of 1.5 TR along with connected accessories, complete all as specified and directed.

Provn of Acs in Tch Area at 20 Wg Supply and installation of air cooled split unit air conditioner electric driven, single phase of capacity of 1.5 TR along with connected accessories, complete all as specified and directed.

S&F Single pole and neutral enclosure with a two pin earth plug and socket complete with one single pole MCB complete all as specified and directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum.

BUILDERS ASSOCIATE

SUNIL DAS AND CO

SHRI P P SHARMA

M/s Saha Construction Co.

M/S MANAS MITRA

HALDER ENTERPRISERS

SREE SWAPAN KUMAR GHOSH