PROVN OF EARTHING PIT AND AREA LIGHTENING ARRESTOR AT CERTAIN LOCATION AND OTHER SANCTION WORKS UNDER GE (AF) BAMRAULI

Amount

Taking down corroded Earth continuity GI/Aluminium/Copper strip fixed to wall on batten or any other indicated situation with porcelain vitreous white seperators complete.

Supply & fix Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4mm dia galvanised iron or steel wir

Supply & fix Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20x3 mm dia Copper strip

Supply & fix Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 32x6 mm dia GI strip

Supply & fix Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 25x3 mm dia aluminium strip

Supply and fix cast iron pitcover of existing size on earth pit with carring handle

Supply and pouring earth resistance lowering gel to reduce the earth resitsivity without excavating the soil, high viscosity in nature to be absorved by soil which creates bondage between electrode and soil, 6 kg contain in bucket Make Make Acculec power or other equivelent

Material and labour for repair of chemical earth pit by using liquid chemical earthing solution (not less than 10 Kg) and mixing with water and filling into the chemical earth pit to achieve the result less than 01 Ohm.

Supply and lay 16 sqmm single core multistranded, PVC insulated copper conductor cable as earth continuty from strip to highly sensitive equipment which reqire zero voltage in neutral to earth.

S&F down conductor ISI marked 35 Sq mm PVC insulated copper flexible wire including both end termination, suitable size cable clamps, copper thimbles, nuts bolts etc. Test point to the Earth pit terminal.

Supply, install and testing of maintenance free chemical earthing system confirming to IS: 3043 and as per the detailed specification given below : (a) Earth Electrode : The Earth electrode shall be non-corrosive, solid steel round rod of size 17.20mm dia, 3000mm long, made of high tensile low carbon steel with molecularly bonded copper coating of thickness 250 microns on the outside. (b) Bore hole : The electrode shall be installed in a 1200 mm dia 3000mm deep augured bore hole and to be filled 400 mm outer dia with black soil (Note:- Rates should be incl supply and filling of black soil in proper manner.) (c) Ground enhancing compound : The augured bore hole shall be filled with highly conductive and eco friendly ground enhancing carbon based backfill compound suitable for any type of soil. The quantity of ground enhancing compound shall not be less than 30 Kg per pit. (d) Earth termination clamp : The electrode shall be provided on its top with an earth termination clamp made of electrolytic grade copper for connecting earth continuity conductor with stainless steel hardware. (e) Earth chember : PCC chamber 300 x 300 x 300mm with cover shall be provided on the top of the earth system on 100mm thick PCC 1:3:6 bed concrete. The Chamber shall be flushed with the ground surface. (f) Earth point test box: Copper strip of size 25X3 mm size, 200mm long mounted on insulators and enclosed in MS sheet box made of 2 mm thick and size 250X200X120 mm sloped top outdoor type duly painted with two coats of synthetic enamel paint over a coat of red oxide primer shall be provided at a suitable location. (g) Copper Strip : Copper strip of size 25X3 mm from earth pit to test point box upto 7.5 meter.

Material and Labour for earthing pit display boards made out of 3mm thick MS sheet of suitble size welded to suitble size MS angle iron grouted in PCC 1:3:6 (with 20mm stone aggregate) to a depth of 20 cm and applying two coats of synthetic enamel paint of approved color over a coat of red oxide primer and writing the letters on plate for showing the following details: 1. EARTHING PIT NO. : 2. DATE OF MEASUREMENT : Note : Shape, size and colour of display board should be approved Engr in Charge before fixing on site.

Material and labour for repair of chemical earth pit by using liquid chemical earthing solution (not less than 10 Kg) and mixing with water and filling into the chemical earth pit to achieve the result less than 01 Ohm.

M&L for porcelain vitreous white seperators and fixing screws etc . to be refixing alongwith the pole and wall with existing copper strip all as directed by Engr in Charge.

M&L for dismanteling of of old damaged /cracked PCC of earth pit and prepare the new Earth pit using PCC 1:2:4 type B-1 with 20 mm graded stone aggregate alongwith the cover with handle complete all as specified and directed .

Supply, installation, testing & commissioning of Tripod Chemical Earthing (i.e Three chemical earthing are individually connected in Delta form through copper strip) which include : (i) Three Nos 3000 mm long 50 mm dia copper bonded rod with top removal compound filling cap, seeppage holes, stainless steel fasteners, HDPE Lockable earth pit cover cum inspection chamber along with 150 Kg of Earth Enhancement Back fill compound including digging of pits. (ii) Coper earthing strip 25x3mm for interconnection of all thre pits along with GI light grade protection pipe 32 mm dia of all three pits along with necessary clamps, nut bolts and brazing work. (iii) Any other accessories including design modifications, to achieve the required earth termination rod resistance value below 1 ohms or as per the OEM / International Standard recommendation.

S&F test point terminal block made of gun metal or phosphorus bronze size 75x75 25 mm drilled and screwed including 3 Nos. 8 mm dia 25 mm long hex head copper screw complete as specified and directed.

Supply and fix in replacement rusted nuts & bolts with stainless steel nuts and bolts any type any size as par existing

M&L for removing strip any size from site and after soldering and brazing earthig joints with brass solder various location fixing the same place and testing complete all as specified and directed by Engr-in-Charge.

M&L for earthing complete with galvanised steel earth plate electrode 60 x 60 cm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised iron wire 4mm dia as earth lead wire by means of brazing of galvanised iron or steel all as shown in Electrical plate No. 3, MES SSR Part I- 2009 with 15 mm dia medium grade GI pipe as a protection to earthing lead and 20 mm dia medium grade GI pipe for watering purpose including excavation & earth work in any type of soil, funnel, wire mesh, RCC pit with cover, cast iron frame complete and connected to earthing test point all as specified or indicated including testing on completion. Notes (i) The concrete pit shall be PCC (1:3:6) type C-1, 40mm thick precast cover slab of RCC with suitable Mild steel handle in lieu of cast iron cover shown in electrical plate No 3 of MES SSR Part-I (ii) PCC pit shall be provide at least 500 mm away from the earth pit and not on just on the eath pit and extra cost of additional length of water pipes and fittings junction etc shall be deemed to be included in the rate. (iii) Item includes the cost of 7.5 metre earth lead wire and GI pipe for protection of earth wire. Any varriation in quantity shall be adjusted.

M&L for Earthing complete with GI earth plate electrode of size 60cm X 60cm X 6mm buried directly in ground vertically at a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filling in alternate layers etc and connected to and including GI strip of 25 x 6mm size up to 7.5 mtr by means of bolts, nuts, check nuts and washers made of galvanised iron and protected by light grade 40mm dia 5 mtr long GI pipe connected to main control board and GI pipe light grade 20mm bore for watering making necessary zigzag holes for water spreading and including funnel, wire mesh, RCC pit cover 50mm thick and PCC chamber pit with PCC 1:2:4 type B1 (including excavation and earth work disposal of surplus soil to a distance not exceeding 50 metre) and testing after completion all as specified and as directed and shown on plate No 3 of SSR Part-I 2009. Note : Earth strip beyond 7.5 mtr will be measrued and paid separately under relevant item of this schedule.

M&L for earthing complete with Copper earth plate electrode 60 x 60 cm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised iron wire 20x3 copper strip by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in Electrical plate No. 3, MES SSR Part I- 2009 with 25 mm dia medium grade GI pipe as a protection to earthing lead and 20 mm dia medium grade GI pipe for watering purpose including excavation & earth work in any type of soil, funnel, wire mesh, RCC pit with cover, cast iron frame complete and connected to earthing test point all as specified or indicated including testing on completion. Notes (i) The concrete pit shall be PCC (1:3:6) type C-1, 40mm thick precast cover slab of RCC with suitable Mild steel handle in lieu of cast iron cover shown in electrical plate No 3 of MES SSR Part-I (ii) PCC pit shall be provide at least 500 mm away from the earth pit and not on just on the eath pit and extra cost of additional length of water pipes and fittings junction etc shall be deemed to be included in the rate. (iii) Item includes the cost of 7.5 metre earth copper strip and GI pipe for protection of earth strip. Any varriation in quantity shall be adjusted.

Supply fixing and installation of ESE type Lightning arrestor model Tz 63 of Tercel having radious of protection 79/86/97/107 meters in level ain in system for providing Level I/II/III/IV when installed 5 mtrs above the heighest point level of protection High. Gain in trigering time 60 micro second.

S&F of 45 ft long GI tubular (Plus 2 mtr FRP) mast on the flat RCC roof of the building along with guying arrangement & foundation with all necessary accessories for installation of lighting arrestor on it.

Supply and Laying of down conductor ISI marked 70 sq. mm PVC insulated copper flexible wire including both end termination, suitable size cable clamps etc. from Advanced Lighting arrestor upto the Earth pit terminal.

Supply and Installation 6 digit seven segment Tercel LCD counter in IP67 enclosure alongwith mounting clamp etc as required

M&L for making 'Tercel' High conductive, Non corrosive,Maintenance Free and Repairable 'Chemrod' Electro-Chemical - Gel earht pit using earth enhancing compound ISOGEL of 30 kg kit, CPRI tested ISOROD of 3 inch dia, 8 ft long and 0.12 inch thick made of K type electrolytic copper with top removal gel filling cap, seepage holes, Stainless steel fasteners, HDP Lockable earht pit cover cum inspection chamber and all required accessories including design modifications, to achieve the required earth termination rod resistance value below 2 ohms or as per the L A OEM/ Internation standard recommendation.

M&L earthing complete with GI electrode 600x 600 x 6mm, thick buried directly in ground vertically in a pit of depth not less than 2.25 mtr below normal ground level (with top edge of earth plate not less than 1.50 mtr below normal ground level connected to GI strip 32x6mm as earthing lead by means of bolt nuts, check nuts, and washers of brass connected including gun metal or phosphorus bronze of sixe 75x75x25mm drilled and screwed including 3 Nos 8mm dia 25 mm long hexagonal head screwed all as specified including excavation and earth work and disposal of surplus soil incl 40 mm GI tubing light grade and necessary fitting for protection of GI strip incl laying of charcoal dust and common salt PPC (1:2:3) type C-1 (using 20mm graded stone aggregate) for earth pit with 40 x 40 x 6mm MS angle iron frame for cover 40 mm thick (1:2:4) type B20 using 12.5 mm graded stone aggregate reinforced with 8 mm dia round bar @ 75mm C/C both way with MS handle 20mm dia plastering 15mm thick CM (1:6) internally and upto 150mm below ground level externally PGL funnel with ground wire mesh 20mm dia Med grade GI pipe for watering complete all as shown on electrical plate No 3 of SSR Part-1 2009 and connected in earth test incl testing completed all as specified and directed.

M&L earthing complete with GI electrode 600x 600 x 6mm, thick buried directly in ground vertically in a pit of depth not less than 2.25 mtr below normal ground level (with top edge of earth plate not less than 1.50 mtr below normal ground level connected to GI strip 32x6mm as earthing lead by means of bolt nuts, check nuts, and washers of brass connected including gun metal or phosphorus bronze of sixe 75x75x25mm drilled and screwed including 3 Nos 8mm dia 25 mm long hexagonal head screwed all as specified including excavation and earth work and disposal of surplus soil incl 40 mm GI tubing light grade and necessary fitting for protection of GI strip incl laying of charcoal dust and common salt PPC (1:2:3) type C-1 (using 20mm graded stone aggregate) for earth pit with 40 x 40 x 6mm MS angle iron frame for cover 40 mm thick (1:2:4) type B20 using 12.5 mm graded stone aggregate reinforced with 8 mm dia round bar @ 75mm C/C both way with MS handle 20mm dia plastering 15mm thick CM (1:6) internally and upto 150mm below ground level externally PGL funnel with ground wire mesh 20mm dia Med grade GI pipe for watering complete all as shown on electrical plate No 3 of SSR Part-1 2009 and connected in earth test incl testing completed all as specified and directed.

Excavation in trenches exc 1.5 m wide and exc 1.5 m in depth ; for foundation , etc . or for shafts, wells, cesspits, manholes, pier holes , etc. n exc 10sq m on plan and exc 1.5 m in depth and getting out for soft loose soil complete all as specifed and directed.

M & L for Cement concrete 1:3:6 type C2 (using 40 mm graded aggregate) as in foundation filling and mass concerete complete all as specifed and directed.

M&L for nominal mix of Type B1(1:2:4) as in foundation , rafts footings , plinth beam

Use and waste of form works to sides of concrete foundations, footing bases of columns rafts and rafts with rough finished surfaces flat

M&L for TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips

M&L for nominal mix of Type B1(1:2:4) using 20 mm graded stone aggregate as in columns, pillars, piers, post and struts etc complete all as specified and directed

M&L for formworks to sides of pillar, strut, piers, columns and stancitions rough similar surface to concrete flat

Returning filling in including spreading levelling watering and well ramming in layers in not exc.50m (soft/loose soil)

Removing excavated surplus soil to a distance exc. 250 m & n. exc 500 m distance

S&F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long

S & F Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165

Supply and fix mild steel tubular section as in post / column / strut etc of 355mm dia bore and thickness of 35mm complete conforming to I.S. 1161-1979 grade St.-240.

M/L for 2 coats of synthetic enamel paint over one coat of red oxide primer incl preparation of surfaces over 10cm width or girth complete

M&L for Hardcore of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified as directed.

M&L for brick work with sub class 'B' modular brick straight or curved on plan exc. 6 m mean radius built in cement mortar 1:6 complete.

M&L for 15mm thick rendering in CM 1:4 on fair faces of brick work, surfaces finished even and fair without using extra cement complete all as specified and directed

M & L for Granite of 20 mm thick (table rubbed and polished) in steps, jambs, pillars, window- cills, cooking platforms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite.

Demolition of concrete (un reinforced) in ground floors, paving or any position.exc. 15 cm thick (below & above ground level) all as spd & directed.

Note :- Credit shown in credit schedule of tender document shall be considered by the tenderer while quoting the rates of various items of this schedule. The same shall be recovered from various payment to contractor before handing over old material.

FRIENDS N FRIENDS

M/S SATISH KUMAR

bharat construction

Krishna Enterprises

M/S Rakesh Singh

M/S Shivam Industries

M.R. ENTERPRISES