Public Works Department Tender

Centering and shuttering including strutting, propping etc. and removal of form for. a) Foundations, footings, bases of columns, etc. for mass concrete

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : a) Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

Supplying and fixing FP sheet steel enclosure on surface/ recess along with 63 A 415 V "C" curve FP MCB complete with connections, testing and commissioning etc. as required redit for dismantle material includes.

Excavation of the cable trenches in hard rock not exceeding 1.5 metres in width and lift upto 1.5 metres, including getting out the excavated soil and disposal of excavated soil as directed within a lead of 50 metres.

Supplying & Fixing of 4x 6 sq mm XLPE copper conductor Armoured 1.1 KV grade power cable on surface of wall/ceiling etc complete as reqd.(With the help of 1 mm thick saddle)

SITC of Double Girder I-Beam type EOT Crane. Capacity 2 Ton,2 nd Class indoor having Span of 11.0 to11.50 Mtr approx. Lifting 7.0 Mtr. Approx, End Clearance 200 mm, Control Floor Pendent Push Button Operated End Carriages Channel/Plate fabricated type having L Blk. Wheel Assemblies/Open Gear assembly Bay length 11.0 to 12.0 Mtr approx ( as per site condition) , IS 807-3177, Speeds Main hoisting 3 Mtr / Min for main. Cross Travel 12-15 Mtr / Min for long travel 15-20 mtr/min. Bridge The Main Girder ISMB OR plate Stiffeners fabricated box type construction design to sustain all stresses arising due to vertical & lateral forces with impact to which they are subjected. The maximum deflection of the main girder is limited to 1/750 of span of live loads including the weight of the trolley or hoist. Gear Box Single Helical Reduction mounting on anti frication ball /Roller bearing splash lubrication CI/ Fabricated as per IS 226/2062 according to design requirements pinions are made of EN -24 Gear And shafts are made of EN-8&EN-9 Material according to design requirement Main hoisting Gear Box HELICAL GEAR BOX Cross travel Gear Box of 0.5 HP Geared Motor x1 Motors,0.5 HP Long travel Gear Box Geared Motor x 2 Motors All crane duty standard make motor for Hoist, Cross Travel & Long travel. Sq. Cage type Motor as per IS-325 40%CDF CLF Insln. With IP 55 enclosures. International frame size fan cooled type / MZ frame size. Main hoisting 2 HP, Cross Travel 0.5 HP. Long Travel 0.5 Hp x 2 .(both side) Brakes Electro Magnetic DC DSIC / Ac Shoe Type Brake Control Panel Contactors, Step down transformers, MCB’s , Transformers, Fittings, etc. Will be provided in Control Panel Limit Switches Main Hoisting – Geared Rotary type / Snap Action, CT / LT – Lever Type. Coupling All coupling to be used in crane will be flexible gear coupling to Minimize dynamic deflections.

The Wheels of the Trolley & The end carriages shall be forged steel CN55 AND MN 75 (E-N-9) duly spin hardened to 300 BHN materials Double flanged straight tread type fitted with antifriction bearings with L Type Bearing Housing for the ease of maintenance. For L.T. 150 mm. Total - 4 Nos For C.T. 120 mm Total - 4 Nos. Wire Rope Plough steel wires (as per IS-1835) rope with well lubricated fiber core of 6x36construction. Rope shall conform to IS 2266. (to be tested for breaking load test certificate for Bearing load shall be furnished) Twisted wire rope in crane will be used. (For Main Hoisting - FMC /WRC 6x36 in 4 falls) 8 MM Cables All flexible copper cables tested to 1100V will move fitted Along with hoist unit End Stopper Steel OR rubber stopper are provided on either side of the bring for motion of the trolley. All the buffer will employ springs for shock absorption. Rope Drum Seam Less pipe/plate rolled suitable dia & suitable shell thickness to accommodate wire rope single layer/ Double Groove layer as per IS-2062 Steel confirming to IS- 2062 or equivalent is used in the manufacture of Main Load bearing. Paint Crane will be painted with Golden Yellow. Bottom Hook assembly According to IS 3177, Made of Trunnion, 2 sheaves and a single hook, supported on trunninon by thrust bearing, the hook shall be made of forged steel. Control Panel Enclosure To be mounted on platform, IP-55 To be mounted on platform, IP-55 Protection with plug in system of all Cables including long travel device. Supply 440V, 50 Hz, 3 Phase. Control Voltage 110V 50 Hz, DSL system for power supply 23.0 mtr i/c testing ,connection etc complete as reqd.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self-drilling /self-tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape.