Public Works Department Tender

Supply of analog card & PLC converter for flowmeter and level sensor data conversion Make : Delta / Mitsubishi / Selec.

Supply installation of 14 inch, 24VDC, RS 232 & RS 485 comminicable touch screen HMI with Ethernet port. Make : Delta / Mitsubishi / Selec.

Supply of 4 core 1.5 SQ.MM armoured and shielded copper conducted cable. Make : Polycab / Phenolex Level Sensor 5 to PLC Panel.

Supplying and fixing of following sizes of rigid PVC conduit alongwith accessories in surface(medium)/recess(heavy) including cutting the wall and making good the same in case of recessed conduit as required. (a) 20 mm

Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 1.1 KV grade of size not exceeding 25 sq.mm in the existing RCC/HUME/STONEWARE Metal pipe etc. complete as required

25 mm dia GI pipe medium class

Earthing with GI earth pipe 2 mts long 40 mm dia medium class with ISI mark, of approved brands including accessories and providing masonry enclosure with CI/RCC cover having locking /Lifting arrangement and watering pipe etc. (but without charcoal or coke and salt) as required as per the Earthing Drawing provided by the Engineer-Incharge.The scope of work includes the following: a) Excavation of pit of size not less than 1.0x1.0x 2.0 mtrs(min) and disposal of excavated soil. b) Class B GI pipe, 40mm diameter as per specifications. c) Charcoal/salt as per specs ( paid seperately). d) Refilling the pit of size not less than 1.0x1.0x 2.0 mtrs(min) with soft black soil of minimum resistivity i/c transportation. e)Masonary chamber with proper foundation, cover plate and locking arrangement. f) Testing of earth value with earth megger and certifications of its value. Aluminium tag with embossed earthing value to be attached to the pipe. g)watering arrangement(plumbing will be paid seperately). (b) In rocky strata

Extra for using salt and charcoal for pipe earth electrode as required( 65 Kgs of Charcoal and 5 Kgs of Salt).

Providing and fixing 4 mm dia copper wire on surface or in recess for loop arthing . as required

Earthwork in excavation by mechanical means (hydraulic excavator)/manual means in foundation pipeline trenches drain (not exceeding 1.5 m in width or 10 sq.m. on plan) including dressing of sides and ramming of bottoms lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50 m.All kinds of soil

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Constructing brick masonry manhole or inspection chamber with second class bricks in cement mortar 1:5 (1 cement :5 fine sand) R.C.C. top slab with 1:2:4 mix (1 cement: 2 coarse sand ;4 graded stone aggregate 20mm nominal size foundation concrete 1:2:4 mix (1 cement ;2 coarse sand :4 graded stone agrregate 40mm nominal size) inside plastering 12 mm thick with cement mortar 1:3 (1 cement :3 coarse sand) finished with a floating coat of neat cemetn and making channels in cement concrete 1:2:4 mix (1 cement :2 coarse sand :4 graded stone aggregate 20 mm nominal size) neatly finished complete as per standard design.

i.. Inside size 60 x 60cm and 60cm deep including C.I. cover with frame (light duty) 455x610mm internal diameter total weight of cover and frame to be not less than 38 kg. (weight of cover 23 kg).

Providing at store or site work non-pressure RCC pipes of with collar joints conforming to IS:458-2003 revised as per amendment No.11 including freight carting loading unloading stacking etc. complete, NP2 Class, Dia in mm150