Public Works Department Tender

Providing and fixing brass full way valve (heavy) duty with wheel of approved quality :

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. Cast Iron double flanged single door swing non-return valve generally conforming to IS:5312 part-I, having body, door, cover in graded cast iron to IS:210 Gr. FG 260 and door in CS ASTM A216Gr. WCB for 350mm & above body Ring in leaded tin bronze IS 318 GR LTB2 and door ring in natural rubber & bearing block of leaded tin bronze to IS:318 Gr. LTB 2 ( 350 mm & above ), hinge pin of stainless steel AISI 410, Flanges drilled to IS:1538 Table 4 & 6 TYPE P.N. 1.0 (Class A)

All works upto plinth level

80mm dia

150mm dia

4 Core 10 sq.mm

Cutting the bituminous road for laying the pipeline in trenches including labour, tools, etc. and disposing the excavated excess material from the trench to a distance of 1000 metres, including making level the trench surface by utilising the serviceable material to the level of the top surface of road, by compacting, watering ramming with rolling with road roller after completion of laying of pipe and refilling the trenches etc. complete as per the direction of engineer in charge.

Providing corrugated G.I. sheet roofing, fixed with galvanized iron j or 1 hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers filled with white lead complete excluding the cost of purlins rafter and trusses.

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. galvanized mild steel continuous weld tubes conforming to IS:1239 (part II) 1975, with latest amendments, screwed at both the ends as per IS: 554-pipe threads, one end fitted with socket other end with plastic protection ring at random length 4-7 metres. Class B

Mechanical Compression Collar Coupling

Providing and fixing G.I. chain link mesh 6.35cm x 6.35 cm x 10 gauge (2.5” x 2.5” x 10 gauge) fixed with angle iron posts and struts by G.I. or M.S. staples at 20cms apart with welding with the iron posts (placed at 3 meters centre to centre) including providing barbed wire stiffeners (shall weigh 9.33 kg. per 100 meters minimum) at top and bottom with barbed wire stiffers by binding wires at 50cms centre to centre complete as per the direction of the Engineer – in – charge (angle iron posts struts, earthwork and concrete for fencing posts and struts to be paid separately)

By Manual Means : Rural roads

Supply of 4 core armoured PVC/XLPE insulated, PVC sheathed aluminium conductor cable of 1.1 KV grade with ISI mark conforming to IS:1554(Part I) ,IS:7098(Part I) with latest amendments of following size.

80 mm nominal bore

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

18mm cement plaster in two coats under layer 12mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand) and top layer 6mm thick with cement plaster 1: 3 (1 cement : 3 coarse sand) finished with sponge.

Earthing with GI earth pipe 2 mts long 40 mm dia medium class with ISI mark,of approved brands, including accessories and providing special protective masonry chamber as per enclosed drawing ( to be paid extra)( 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 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 1.0x1.0x 2.0 mtrs(min) with soft black soil of minimum resistivity i/c transportation. 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).

12mm cement plaster 1:3 (1 cement : 3 fine sand)

Earth work in excavation by mechanical means (hydraulic excavator)/manual means in foundation pipeline trenches, drain not exceeding 1.5m in width 10 sq.m on plan including dressing of sides ramming of bottoms for all lead and lift including setting out the excavated soil & disposal of surplus soil with all lead including providing barricading danger lighting guarding as directed by departmental officer in all types strata comprising any of the materials such as soil, silt sand clay gravel moorum of all conglomerated laterite rock, soft rock fissured shattered decomposed rock or weathered rock and all such other materials as described under Appendix A to these specification either in full or in parts as the case may be adopting any approved method of methods as may be convenient or permitted inclusive of chiselling, wedging etc, blasting prohibited in all conglomerates as directed by the Engineer-in-charge etc, complete.

Supply and installation of automatic based control panel for 7.5 HP inline booster pump consisting of (1) floor mounted, flush front compartmentalized panel box made out of 1.5mm CRCA sheet. The panel box should be dust and vermin proof, double door with locking arrangement and canopy at the top having IP-65 class of protection suitable for operation on 440V, 50Hz, 3 phase. The panel shall be powder coated with RAL7032 colour. It shall be mounted on an angle iron frame at a height of 30cm from the ground having provision for cable entry from bottom. The switchgear and other accessories of reputed make and comprising of following items 1 No. of 3A, 10KA, TP MCB 1 No. of sealable space for kwh meters 1 No. of star delta starter for 7.5 HP pump 1 No. of TPN MCCB 32 Amps 1 No. of capacitor 3 kvar 1 No. of Voltmeter 500 Volts with selector switch 1 No. of Ammeter 30 amps 3 Nos. of RYB indicating bulbs 3 Nos. of control MCB 6 amps The starter shall have an automatic timer to work for pre determined time each day. There should be a changeover switch option to defeat predetermined timings and to manually operate the pump as per need The system shall have the safeties such as (a) phase failure and voltage unbalance protection (b) dry run protection (c ) Phase sequence protection (d) overloading protection The system shall have the indications such as (a) pump on (b) Overload (c ) under current (d) failure/ unbalance

Providing & laying cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 river pebbles 40mm nominal size) excluding cost of centering, shuttering and finishing in:

Supplying cast iron fittings as per IS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts.

Painting two or more coats (excluding priming coat) with superior quality ready mixed paint for steel work of approved brand & manufacture in all shades on new work to give an even shade.

In tees, angles, flats and channels

Finishing wall with waterproofing cement paint of approved brand and manufacture and of required shade on new work (three or more coats) to give an even shade.

Conveying carefully from stack at sites 250m from both the sides rolling and lowering into trenches, laying, jointing G.I. Pipes with G.I Fittings of sizes given below true to line and level including fixing sockets, elbows tees bends, gland packing and other fittings with cutting and threading as required including hydraulic testing,etc. complete.

80mm dia

Neat Cement punning

150mm dia

Supplying and laying 6 SWG GI wire at 0.5 m below ground level for conductor earth electrode including soldering etc. as required

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

0.50 mm thick sheet.-26G

Laterite masonry in neatly dressed stones for 23 cms thick masonry walls in c.m. 1 : 4 (1 cement : 4 coarse sand in foundation upto plinth level

Suppy and installation of 7.5 HP inline monoblock booster pump set (Kirloskar, Crompton or equivalent) compatible to the automation system and to cater for the desired range of delivery head between 36M to 52M with discharge of 4.1 LPS at 36M head and 2 LPS at 52 meter head including testing and commissioning.