GE AF/AMB-01/2021-22 PROVISION OF 25TON AIR CONDITIONERS IN BUILDING NO. P-462 AT AF STATION AMBALA UNDER GE (AF) AMBALA

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundations, manholes, etc. or for laying cables/pipes, erecting poles, etc. not exceeding 10sqm on plan and getting out in hard / dense soil complete all as specified and as directed

Returning, filling in, including, spreading, leveling, watering and well ramming in layers not exceeding 25cm deep as in any type of soil complete all as specified and as directed

Removing excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point in any type of soil including spreading in low lying area and leveling complete all as specified and as directed

Supply and laying burnt bricks of sub-class 'B' designation 75 laid in trenches for cable protection complete all as specified and as directed

M&L for fine dry river sand cushioning by laying 8cm thick layer below the cable for making soft bed and 15cm above the cable and then punning down to its consolidated thickness of 18cm after the cable is laid all as specified in SSR Part-I complete all as specified and as directed Note: Only punned thickness of sand shall be considered for measurement purposes

M&L for cutting into existing bituminous / concrete / tiled roads / paths to a depth of 0.5m and not exceeding 0.45m in width for drawing cable, etc. including excavating, etc. and filling in and making good the disturbed areas as per existing complete all as specified and a directed

M&L for plain cement concrete 1:3:6 (type C-2) using 40mm graded stone aggregate as in foundation filling, mass concrete, etc. complete all as specified and as directed

Supply, install and testing tower type air conditioning units, of capacity 3Ton, with inbuilt invertor technology, floor standing, portable slim type, white, at locations / positions including drilling / cutting / chiseling into walls / floors, etc. for passing required cabling, conduits, etc. and making good the disturbed surfaces complete all as specified and as directed Model: Cat No. AC048KNPDEC/TL (White) of Samsung or equivalent cat No. and model of Carrier, Daikin, Haier, Voltas, Blue Star, Hitachi

Supply, install and testing air curtain with inbuilt master slave single temperature sensor, surface mounting, ecopower energy saving type, of dimensions (LxDxW) 2200x275x198mm, 230V~1P&N, loading per phase-1.1A, max velocity 9m/sec, max air volume 2500cum/hour, of approved model duly fixed at locations as per manufacturer's instructions complete all as specified and as directed

M&L for submain wring using proper colour coding with 4 runs of single core 6sqmm, PVC insulated, FRLS unsheathed suitable for 1100V multistranded copper conducter cable and 2 runs of 4sqmm multistranded, copper conductor cable 1100V green colour for earth conductor drawn through and including PVC conduit 32mm bore, heavy duty, ISI marked concealed in wall/ceiling, etc. with all required accessories including making good the disturbed surfaces, etc. complete all as specified and as directed

Notes for item No. 10: (i) 42 runs of 6sqmm main cable, 2 runs of 4sqmm earth conductors and 1 run of PVC conduit as per item shall be measured as one length (ii) Separate conduit shall be used for each sub-main wiring circuit irrespective of numbers of wire (iii) The minimum size of conduit shall be as stipulated, however higher sizes shall be used as per number of cables passing through. The Engineer-in-charge shall ensure for proper size of conduit as per requirement at site

Supply, laying, jointing, connecting and testing XLPE insulated, screened, PVC sheathed cable 1100V grade, 3.5core 95sqmm, PVC bedded, armoured electric power cable, heavy duty, stranded aluminium conductor laid in trenches / fixed on walls/poles, passing through pipes, etc. complete all as specified and as directed

S&F sheet metal enclosures, powder coated, for MCB distribution board 415V, TPN, 12 way, double door type, IP-54 protection class, flushed inside wall with 200A rated bus bar and making good the disturbed surfaces complete all as specified and as directed

S&F MCCB 4P 160A 415V 50Hz 36kA with adjustable thermal release fixed magnetic protection micro-processor based type complete all as specified and as directed

S&F MCB TPN 40A, 415V, B curve, 10kA complete all as specified and as directed

M&L for earthing using GI earthing strip with galvanised steel earth plate electode 600x600x6mm thick buried directly in ground, earth pit not less than 2.25m deep below ground level connection to and including GI strip of size 25x4mm extended to 7.5m as earth lead by means of GI bolts, nuts, etc. with provision of charcoal and salt all as per electrical plate No. 3 of SSR Part-I including water arrangement with GI pipe 20mm dia (light grade), earth lead protection pipe 32mm light grade with bends, elbow, etc. from earth plate to test point, excavation and earthwork in any type of soil, returning, filling, ramming and removing of soil to distance not exceeding 50m, make good to match with existing surface making PCC pit (earth chamber) having internal size 300x300x300mm and outer size 600x 600x600mm with RCC reinforced cover 50mm thick and testing on completion including making test points on wall as per SSR specifications complete all as specified and as directed

Notes for serial item No. 16: (i) The cost of copper / GI earth continuity wire with GI pipe 50mm light grade upto 7.5m is deemed to be included (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item (iii) Earthing shall produce desired earth resistance values as directed by the Engineer-in-charge. If the same is not attained, the earthing shall be generated at No Extra Cost, till the desired earth resistance is obtained (iv) The earth resistance shall be as desired by the installation. A guarantee for 3years of this criterion on a Rs. 100 stamp paper shall be given by the Contractor. The quoted rate shall be deemed to be inclusive of this aspect

UNITED ENGINEERING CORPORATION

SEEMA ELECTRICAL

Azurite Engineering

R N Enterprises

R D Bansal

Baliyan Electrical Works

Esha Engineers

M/s Shiksha Enterprises