Shifting of Pipeline

MATERIALS

Supply and delivery of socket / spigot pipes for Ductile Iron Pipes of standard length conforming to IS 8329/2000 with inside lining with cement mortar of standard thickness and specifications and outside coating of metallic zinc as per IS specifications of the following sizes. The rate including of loading transportation etc., complete and as directed by TWAD Board Officers at Stockyard

DUCTLE IRON S/S K7 PIPES

450 mm DI K9 S/S Pipe

Supply and delivery of DI specials to the site of work (such as bends, Tees & tapers etc., along the alignment of feeder mains) conforming to IS 9523/2000 and as amended from time to time including loading, freight, unloading, stocking at site, transit insurance charges, all taxes, etc. complete and as directed by the TWAD Board officers. (with out ED) required for the following pipes.

450mm Dia DI Specials (22.5 bend 4 Nos)

Supply and delivery of following sizes of Mechanical joint Collar including loading, transportation, insurance, unloading at site of work etc. complete and as directed by TWAD Board officers.

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O - Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 4846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16

250mm SCOUR VALVE

Supply and delivery of DI specials to the site of work (such as bends, Tees & tapers etc., along the alignment of feeder mains) conforming to IS 9523/2000 and as amended from time to time including loading, freight, unloading, stocking at site, transit insurance charges, all taxes, etc. complete and as directed by the TWAD Board officers. (with out ED) required for the following pipes.

350mm - 450mm dia

250 mm DI K7 S/S Pipe 1.5 M

250 mm DI K7 S/S Pipe 1.0 M

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu.

100 mm Dia.SCARV in 450 mm main

CIVIL WORKS

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m in all strata including barricading, shoring, strutting and all other incidental works, as directed by the departmental Officers.

450 mm DI K9 S/S Pipe

Lowering DI/CI Pipes and specials in the trenches and laying to proper grade and alignment, and as directed by the TWAD officers.

450 mm DI K9 S/S Pipe

Cutting DI pipes true to its axis and finishing the ends etc, complete and as directed by the TWAD Board Officers.

450 mm DI K9 S/S Pipe

Jointing DI S/S Pipes (Class K9) and Specials with rubber gaskets (tyton joint) including cost of lubricants (including cost of jointing materials)

450 mm DI K9 S/S Pipe

Jointing the D.I.S/S pipes and specials with neat cement or cement mortar and spun yarn including caulking the joints curing (including cost of jointing materials) and as directed by the TWAD Board officers and as directed by the TWAD Board officers

450 mm DI K9 S/S Pipe

Conveyance of following PVC/CI/DI/Gl pipes including, unloading from lorries at Stackyard and stacking properly and Loading in to Lorries at Stackyard, transportation charges up to 8km from stockyard and unloading from lorries at site/ along the alignment carefully as directed by the TWAD Board officers

450 mm DI K9 S/S Pipe

Refilling with excavated earth (other than sand) in respect of following sizes of pipes watered well rammed and consolidated etc. complete complying with standard specification for filling the trenches after the pipes and specials are laid, jointed and tested and as directed by the TWAD Board Officers.

DI Pipes

450 mm DI K9 S/S Pipe

Testing of P.V.C/ HDPE/ D.I Pipes with hydraulic testing equipment by filling with water (Including cost of water @ Rs.60/KL) and testing to recommended pressure inconvenient stetches and attending the bursts if any occurred during the test, excluding the cost of pipes, including other incidential and operational charges etc., complete for the following diameter of pipes as per standard specifications and as directed by the TWAD Board officers.

DI Pipes

450 mm DI K9 S/S Pipe

Scour valve in masonry pit as per design No.8/ Madras

250mm Scour valve in 450mm main

Air valve in masonry pit as per Type design No.1/91-14 CE(P&D) Madras

100 mm dia. SCARV in 450 mm main

Provision for interconnection works

Calculation of SubTotal, GST and Total Amount carried out by system automatically

Basic cost of value put to tender as per estimate

Add GST at 18%

Total Value put to Tender

Differnce Amount (Excess/less)

Quoted Amount (Basic Rate Only)

Add GST at 18% of Quoted Amount

Total Value of Quoted Amount including 18% of GST

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