8501 PROVISION CHEMICAL EARTHING WITH COPPER PLATE AT INSTRUCMENTAION ROOM HSTT AT NSTL TECH AREA AND CERTAIN OTER SANCTIONED WORKS UNDER AGE (I) R n D NATL, VISAKHAPATNAM

Amount

M &L for Chemical earthing with copper earth plate 90x60cmx5mm & copper earth strip 32x6mm 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 copper strip 32x6 mm dia by means of bolts, nuts, check nuts and washers of copper all connected to earthing test point all as specified or indicated including testing on completion complete all as specified and directed by Engr-in-charge.Note :- After completion of earhing test report submit to dept ,if resistance not less than one ohm,re earthing done by contractor with out extra cost.

M&L Earthing continuity copper strip 32x6 mm dia or main earthing lead fixed to wall with clamps or recess or croses or buried in ground or drawn in conduits/pipe or fixed to poles or any other indicated situation for loop earthing etc as required all as specified and directed by Engr-in-Charge.

M & L for Point Wiring complete with 1.5 sqmm single core PVC insulated unsheathed cable 1100 volts grade, multistranded with copper conductors conforming to IS specifications, with colour code drawn through and including non metallic rigid PVC casing caping of suitable size incl acceesoires fixed on wall/ ceiling or concealed on wall and fixed on ceiling etc with suitable clamps, screws, etc or concealed in wall including terminal boxes fabricated with 1.6 mm MS sheet concealed in walls covered with plastic laminated sheet top cover 3 mm thick fixed with cadmium plated iron screws for housing the switches, switch sockets outlets, fan regulators, etc, including provn of 1.5 sqmm PVC insulated unsheathed cable with multistranded copper conductor as earth continuity conductor and connecting to common earth dolly all as specified and as directed for One Exhaust fan controlled by one switch

Supply and fixing one module switch modular type, single pole one way 6/10 Amps 230 Volts ISI Marked all as specified and as directed by the Engineer-in-Charge. Make: Indoasian

Supply and fix ceiling rose surface backelite min dia 35 mm three terminal complete all as specified and directed.

M&L For Sub main wiring concealed with 1.5 sqmm (Nominal area) with two runs of single core cable PVC insulated FRLS multistrand unsheathed copper conductor cable including 1100 V grade, drawn through PVC casing capping including 1.5 sqmm (nominal area) single core PVC insulated multistrand unsheathed copper conductor as earth wire and duly connected to all common earth point all as Specified and directed by Engr-in-Charge.

M&L for making hole in brick/stone wall for fixing of Exhaust fan of 225 mm sweep and making good to disturbed surface area by plastering and painting match with existing colour complete all as specified and directed by Engr-in-charge.

Supply and fixing of heavy duty metal body copper wound exhaust fan AC single phase 230/240 V of size 225 mm sweep with louvres,50HZ,1400 RPM,Air delivery 720 CMM including bird guard complete all connecting up with 3 core cord flexible from ceiling rose to exhaust fan etc. speified and directed by Engr-in-charge. make: havells/Usha/bajaj/Crompton/

Supply, Install, connect, test and commissioning of LT Panel Indoor type CPRI approved made out of 2mm thick MS sheet with Aluminium bus bar with power coated consist of the following. (i) 400 Ams 4P MCCB 36 KA with ROM and spreader links(I/C),-01 No. (ii) 80 HP S/Delta starter with suitable contractor and relaywith 160 Amps 3P MCCB 25 KA with ROM and spreadrs For ON/OFF control,-02 NO, (main pump). (iii) 12.5 HP DOL starter with suitable contractor and relay with 63 Amps MCCB 25 KA with ROM for ON/OFF control,-01 NO (Jockey Pump). (iv) DG Pump control for-01 NO. (v) Digit,voltmeter -01 NO. (vi) Indication Lamps set -01 No. (vii) Digital Ammertter with CT coils -03 No and all as per your specifications. NOTE:- Cost of power and control wiring along with pressure sensors require for utomatic operator of main and jockey pumps is deeemed to be included in quoted rate by the contractor.

B.Veerabhadra Rao

ROHITH INFRA

B SRINIVAS

SVG SUPPLIES

LAKSHMI SAI CONSTRUCTIONS

suresh electricals

SRIVALLI ENGINEERS