WBPHE /EE/AMD/NIT 01e/ 2021-2022/1

Amount

S & F Lightning Conductor Air Terminal made of 20 mm dia 1000 mm long GI pipe (ISI Medium) having five discharge prongs of 4 SWG GI (Hot Dip) wire at top duly soldered with 7/16 stranded GI (Hot Dip) wire and 85 mm dia 6 mm thick GI base plate at bottom incl. necessary holes etc. complete duly grouted on the parapet etc. in CC mortar ( 4:2:1) .

Excavation of soil for installation of Earth Electrode and filling & ramming.

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/8 stranded GI (Hot Dip) wire (4 Mts. long), 25 mm dia x 150 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.

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: ( A ) By TATA-Medium GI pipe.

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 deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe.

Supply and fixing of porcelain insulator for earthing strip fixing to wall .( a ) Size : 2"/1½"

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Laying of one No. cable 10 sq.mm x 3 core in underground trench 460 mm wide x 760 mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per metre, including filling the space between the brick & cable and also the trench with shifted soil, leveling up and restoring surface duly rammed. ( Laying from Old cable Godown to New Godown , U -Park to flow meter , DNS Statue to street pole & Cable will be supply by departmentally ) .

Dismantling and taking out the defective fixture from the top of 7 m poles by scaffolding arrangement as per direction and stacking the damaged materials to site store.

Withdrawing of 7 m Steel tubular pole from it's erection position after dismanling of cement concrete base block etc. All complete .

Erection of Single Steel tubular pole of length as given below with/without sole plate & Cap etc. in CC foundation (Proportion and dimension indicated below), having 600x600x150 mm thick CC (4:2:1) base block below sole plate/pole with hard jhama metal including CC (6:3:1) muffing 0.30 mts. dia and 0.30 mts. above ground level including 3 mm thick neat cemented finish and GI earth bolt after making drilled holes etc. on pole & carriage of pole upto 1.6 Km from Store to work-site including filling up the excavated earth pit with shifted soil and ramming properly.{ Pole (serviceable) supply by departmentally }.

( a ) Upto 9.0 mtr. Size 0.6x0.6x1.70 mts.

Fitting fixing of the street light luminaries of on the top of 7 m by scaffolding arrangement as per direction. and necessary inter connection complete with supplying all necessary materials as per direction of EIC.

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.

( a ) Depth of excavation not exceeding 1,500 mm.

( b ) Depth of excavation for additional depth beyond 1,500 mm. and upto 3,000 mm. but not requiring shoring.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work)

With carried earth arranged by the contractor within a radius of 1 km. including cost of carried earth.

Supply and delivery of boulder and making of boulder soling for strengthen the base of R.C.C. drain etc.on loosen earth,mud etc. with engaging mason and helper as per direction of EIC.

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction . a) For works in foundation and upto roof of ground floor/upto 4 m (i) Tor steel/Mild Steel. I. SAIL/TATA/RINL

supply and of delivery of single faced cast iron manually operated Sluice Gate rising spindle type ,generally conforming to IS 3042/1965 , having C.I. IS 210 Gr. Fg.200 spigot cast at back & door fitted with gun metal IS 318 Gr. LTB 2 seating faces , complete with 10 Mtr.SS AISI 316 extension spindle , CI guide breaket , SS AISI 316 coupling & CI geared headstock . I ) Size : 500 mm x 500mm ( Width x Height ) .MAKE : IVI / CAIR / Upadhyay

Installation of item no.18 with making necessary R.C.C. Structure with maintaining proper alignment for properly fuctioning i.e. Faultfree Operation with manually all complete .

Ordinary cement concrete (mix. 1:2:4) with graded stone chips 20 mm nominal size excluding shuttering and reinforcement if any in ground floor as per relevant code i) Pukur Verity.

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes a) Pakur Variety

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corner & as directed and raking out joints including threding nasing and drip coures scaffolding (ground floor) ( Excluding cost of chipping over concrete surface) with 1:4 cement mortar and 20 mm thick plaster.

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc.

INDUSTRIAL ELECTRICAL CORPORATION

Premnath Mitra