WBPWD/EE/BED/71/e-IT of 2018_19

Amount

S & F Lightning conductor Air-terminals made of 15 mm dia 1500 mm long GI pipe (ISI Medium) having five prongs of 4 SWG GI (Hot Dip) wire at top with 85 mm dia 6 mm thick GI base plate at bottom incl. necessary holes etc. duly grouted on the parapet etc. in CC mortar (4:2:1) ----------------(1/J-1)

Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, for LC installation, per storey of building per vertical run for 4 storey -------------(7/J-1)

Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, for LC installation of overhead reservoir (vertical run) ------------- (8/J-1)

Supply & fixing GI (Hot Dip) strips 50 mm x 6 mm thick for horizontal run on the Parapet/Roof/ Water Tank / Lift Room / Stair room / Wall with GI Saddles 500 mm apart incl.jointing& mending good the damages to building works

Supply & fixing of GI (Hot Dip) strips 50mm x 6 mm thick for vertical run on wall with GI saddles spaced not exceeding 750 mm apart incl.jointing& mending good damages to building work

Excavation of soil for installation of Earth Electrode and filling & ramming.For Soft Soil ----------------------------------------(1(a)/G-1)

Excavation of concrete for installation of Earth Electrode and filling & ramming.For concrete ----------

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By TATA-Medium GI pipe ----------------------(2(a)/G-1)

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required 65 mm dia ISI-M ------------------------------(11(b)/F-6)

Supply and Laying of maintenance free earthing terminal which consist of Ground Resistance Improving Furse Cem Conductive Aggregate material, tested as per IEC/BS EN 62305-3 and NFPA 780, (1 bags of 25 kg. per Pit) to make it maintenance free and provide low resistance in the earth terminal to be executed by OEM or Authorized channel Partner of OEM only.

Supply and installation Surge Protection Device (OVR) at main panel three pole plus neutral,Max contineous operating VoltageUc 275 V,Imax 15 kA including enclosure and interconnection.(Make-ABB,Cat no-OVR T2 3N 15 275 P)

L.W.C. must be quoted manually @1% on the total quoted value else the total quoted rate shall be treated incl. LWC as per rule. N.B. Rate should be quoted inclusive of GST.

T. K. ENTERPRISE

BANDANA ENGINEERS CO-OPERATIVE SOCIETY LTD