WBPWD/EE/PED/NIQ46/2020-2021

Amount

Supply and fixing type- 1 four pole Surge Protection Device(Make- Hager, Cat No- SP320) on Din rail with sheet steel enclosure on wall with following details- Number of poles: 3 P Test class: IEC61643-1 / VDE0675-6 1/ B/ T1 Max discharge (Imax) or impulse (Iimp): 100 kA Voltage protection level Up according to IEC61643-1 4 Number of modules: 4kV Remote contact: no Maximum continuous operating voltage Uc: 255 V Connection capacity with flexible cable for earth: 35 mm² Connection capacity with rigid cable for earth: 50 mm²

Supply and fixing type- 2 four pole Surge Protection Device(Make- Hager, Cat No- SPN465R) on Din rail with sheet steel enclosure on wall with following details- Number of poles: 4 P Test class: IEC61643-1 / VDE0675-6: 2/ C/ T2 Max discharge (Imax) or impulse (Iimp): 65 kA Nominal discharge current (In): 20 kA Voltage protection level Up according to IEC61643-1: 1,5 kV Number of modules: 4 Remote contact: yes Maximum continuous operating voltage Uc: 275 V Connection capacity with flexible cable for earth: 25 mm² Connection capacity with rigid cable for earth: 35 mm2

Suplly and fixing Single phase S.P.D. Type-1 with Encloser with Necy connection Make:- Hager, Product Code:- SP150 SPD 1P+N monobloc 100kA Number of poles:- 2 P Test class:- IEC61643-1 / VDE0675-6:- 1/ B/ T1 Max discharge (Imax) or impulse (Iimp):- 100 kA Voltage protection level Up according to IEC61643-1:- 4 kV Number of modules:- 2 Remote contact:- no

Supply and fixing type- 2 double pole Surge Protection Device(Make- Hager, Cat No- SPN240R) on Din rail with sheet steel enclosure on wall with following details- Number of poles: 2 P Test class: IEC61643-1 / VDE0675-6: 2/ C/ T2 Max discharge (Imax) or impulse (Iimp): 40 kA Nominal discharge current (In): 15 kA Voltage protection level Up according to IEC61643-1: 1,2 kV Number of modules: 2 Remote contact: yes Maximum continuous operating voltage Uc: 275 V Connection capacity with flexible cable for earth: 25 mm² Connection capacity with rigid cable for earth: 35 mm2

Connection charges for the above items with necy copper cables/ wires of suitable size(25 sq mm or 35 sq mm) and length as required incl the earth terminals to the earth bus bar. Provided with long barrel copper socket 25 sqmm single core U/A Copper cable.

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 ]

Making soldered joints between conductors, conductors and air terminals for 4 SWG GI (Hot Dip) wire incl. supply of jointing materials and painting with 2 (two) coats of bituminous paint . [5 / J-1 ]

Making soldered joints between conductors and down pipes/ other metallic objects for 14 SWG GI (Hot Dip) wire including supply of necessary 4 SWG GI (Hot Dip) wire, jointing materials and painting with 2 (two) coats of bituminous paint.[6 / 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 . [7 / J-1 ]

Supply & fixing GI (Hot Dip) strips 20 mm x 3 mm thick for horizontal run on the Parapet/Roof/ Wall with GI Saddles 1100 mm apart incl. mending good the damages to building works.[9 / J-1 ]

Supply & Fixing 7/10 SWG GI (Hot Dip) stranded wire for Horizontal run on the parapet/roof/wall with GI saddles spaced not exceeding 1100 mm apart incl. mending good the damages to building works.[10 / J-1 ]

Supply & fixing of GI (Hot Dip) strips 20 mm x 3 mm thick for vertical run on wall with GI saddles spaced not exceeding 1000 mm apart incl. mending good damages to building work.[11(a) / J-1 ]

Supply & fixing of 7/10 SWG stranded GI (Hot Dip) wire for vertical run on wall with GI saddles spaced not exceeding 1000 mm apart incl. mending good the damages to building work.[11(b) / J-1 ]

Supply & Fixing of Testing Joints by 20 mm x 3 mm thick GI (Hot Dip) strip 125 mm long grouted on wall having clearance of 6 mm from wall for making connection with thimbles at the end of 7/10 SWG GI (Hot Dip) stranded Wire and 4 SWG GI (Hot Dip) wire of vertical conductor and conductor from earth electrode complete with S & F thimbles, GI bolts, nuts, check-nuts, spring washers etc. as required.[13 / J-2 ]

Making CC(6:3:1) muffing of size 0.45 x 0.45 x 0.6 mt on roof neatly cemented finish (3 mm thick), at the base pole (in lieu of CC muffing) for grouting the air terminals having grouted og 3" long bolts on the top of the CC for fixing the air terminals. [NS]

Excavation of soil for installation of Earth Electrode and filling & ramming as per GS

For Morum Soil [1(b)/G-1 ]

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. Long With TATA-Medium GI pipe as per GS. [ 1 NO FOR EACH 4 NOS SPD TYPE-2 and FOR LC] [ 2(a)/G-1]

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts. [ 2 NOS FOR EACH SPD (TYPE-1)] [ 2(c)/G-1]

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm as per GS [3(a)/G-2 ]

Extra for treatment of soil by using salt & charcoal or coke for plate electrode as per GS. [3(b)/G-2 ]

Supplying & fixing earth busbar(Length- 0.3 mtr) of galvanized (Hot Dip) MS flat 40 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required. [4(b)/G-2 ]

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages.

4 SWG [5(a)(i)/G-2 ]

RAHUL TRADERS

COMBINE ENTERPRISES