NIT NO.38, ITEM NO.02(2022-23)CWA (W and S)-I

Excavating trenches of required width for pipes, cables etc, including excavation for socket depth 1.5 M including getting out the excavated material, returning the soil as required in layers not exceeding 20 CM in depth, including consolidating each deposited layers by ramming, watering etc. Stacking serviceable material for measurements and disposal of unserviceable material as directed, with in a lead of 50 M : Pipes cables etc exceeding 80 mm Dia but not exceeding 300 mm dia.

GI Pipe (Main service water line Size 4 Inch, Class C) Make – Jindal, Tata

GI Elbow Heavy Class

GI Tee Size 4 Inch heavy Class

GI Socket Size 4 Inch heavy Class

GI Flanges Size 4 Inch heavy Class

UPVC Pipe, Sch- 40, Size – 2 1/2" Inch (Chlorine Solution Line), Make – Prince, Astral, Supreme

UPVC Elbow Size - 2 1/2",

UPVC Tee Size - 2 1/2"

UPVC Sockets Size - 2 1/2"

UPVC Vanstone Flanges Size - 2 1/2"

UPVC Solvent Cement

CS Sch- 80 Seamless Pipe for Chlorine Header Line Size – 1” (Thickness 4.5 MM) Make – Jindal, Maharashtra Seamless

4 Inch Sluice Valve, MOC – CI, IS-14846, ISI Mark, PN-1.0 PD Type, IS-210 Grade, Bolted Bonnet inside screw non rising stem for at water intake point near workshopMake – Sant / Kirlosker / IVC

2 ½” Ball Valve ,Flange End, MOC – PPMake – Parth

Tapping from Main line near pump house (CWW-II_, Preparing the surface area for jointing of new nozzle of 4”, Cutting of 800 mm dia existing pipe line by gas cutter, Welding of 4” distance piece of 12 “ long with 4” Flange, MS channel support structure surrounded by 4” tapping area

MS Y type strainer with jali Size 4” for filtration of service water to the chlorination plant

Pressure Gauge with Gate Valve Dial Size 6”

Making header line manifold for chlorination Paterson Post (CWW-II) by 4 nozzles of 2” Size with flange duly fixed by 2” isolation ball valve (4 Nos) with fittings for individual connection of 4 nos chlorinators

MS supports structure frame with U clamp for proper fixing of service water header line along with civil structure supports for all three location i.e Paterson, post II and pre

Laying of pipeline including loading unloading alignment with the help of manpower and crane of 4” sizes

Providing and filling sand of grading zone V or coarser grade all round the GI pipe in external work of size 100 mm

Butt Welding of 4” pipe line by following process of GI Pipes. 1. Proper cutting of GI pipe by gas cutter 2. Grinding of pipe line edge 3. Making of V groove by grinding machine 4. Manual Jointing of both edges of 4” GI pipe with help of jack machine 5. 3 layer welding on the align joint of 4” pipe 6. 4” GI pipe welding joints

1 Coat of primer and 2 coat of synthetic enamel paint of all piping

15 MM x 80 MM Long Nut Bolts and Double Washer for 4 “ Line

Rubber gaskets for 4” Line

12 MM x 80 MM Long Nut Bolts and Double Washer for 2 “ Header

Chlorine Isolation Valve ¾ Inch , MOC – Brass, IS – 3224, Make Tekno

Copper Connecting Coil 1.5 Meter Each

Chlorine pressure gauge with isolation valve and isolator

Diffuser Assembly System Size 2”

Yoke type clamp for fitting of copper coil manifold for tighten of chlorine valve of size 3/4 inch

Erection Commissioning Testing Charges

1 Year guarantee charge and Maintenance Charges

Jyoti Enterprises