Fabrication and Construction of Delivery Manifold arrangement for Rising main No.1 and 2 at Lift Irrigation Scheme Tral Stage 2nd , Pulwama Kashmir

Amount

Disassembling / dismantling existing multi- junction delivery manifold completely. The existing multi-junction consists of deliveries of 07 No. pumping units. The job includes removing of all pipes, bends, valves, tail pieces etc. of assorted diameters [400/600mm] and lengths complete by way of cutting out, un-bolting as per site requirements. The job includes shifting of the removed material safely and smoothly to the designated store shed of the scheme. The job is to be executed utilizing men and machinery for smooth conduct of job.

Shifting of departmentally available 1300/1000 mm nominal diameter pipe from stockyard Tral Stage 1st in a convenient manner up to Tral LIS Stage 2nd at Hariparigam Pump house. The scope of work includes loading and unloading and carriage of pipes by means of manual labour and mechanical equipments/cranes/loader etc complete. 1300 MM DIAMETER = 06 No. lengths. 1000 mm diameter = 01 No. length.

Fabrication, laying, installation, Fitting, testing and commissioning of 1300 mm Nominal Diameter delivery manifold for 05 No. 400mm nominal diameter deliveries of unit no. 4, 5 , 6 ,7 & 8 and 1300mm nominal diameter rising main no.1.The manifold is to be fabricated out of above shifted 1300 mm Nominal diameter departmental pipe by way of following:-  Proper placement alignment laying and fitting of common header and riser outlet of 1300mm diameter including connecting of delivery pipes of unit 4 to 8 respectively.  Jointing by way of Welding together three no. 1300mm Nominal Diameter departmentally available pipes to make a tube of size 18M approximately and 1300mm diameter riser inlet having 07 M length approximately.  Placement, installation, Laying and fitting of common header and Riser outlet of 1300 mm diameter including connecting of delivery pipes of unit 4 to 8 respectively.  Fabrication providing and fitting of 1300 mm diameter mild steel blinding plates (end plates) on both sides of common header. The end plates are to be fabricated out of 15 mm thick M.S Plate.  Cutting out of 400 mm diameter 05 No. inlet holes on pump side for further connecting of 05 No. delivery pipes.  Providing and fitting of Compensated opening plates (jacketing) for additional reinforcement to the riser opening and inlet openings of the Manifold. The details of the compensated opening plates shall be as follows S.No Compensated opening pad No. OD mm ID mm T mm 1. for inlet holes (P4,P5,P6,P7&P8) 5 746 406.4 12 2. For Riser Hole 1 2114 1321 18 The job includes all the modifications and adjustments required at site to connect the 5 No. 400mm ND deliveries pipes and 1300mm ND Riser/rising main with the fabricated delivery manifold.

Fabrication, Laying, Installation, Fitting, testing and commissioning of 1300 mm Nominal Diameter delivery manifold for 03 No. 400mm nominal diameter deliveries of unit no. 1, 2 & 3 and 1000mm nominal diameter rising main no.2.The manifold is to be fabricated out of above shifted 1300 mm Nominal diameter departmental pipe by way of following:-  Jointing by way of Welding together 1300mm Nominal Diameter departmentally available pipes to make a tube of size 15 M approximately and 1000mm diameter riser inlet having 05 Meter length approximately.  Proper,Placement, installation, Laying and fitting of common header and Riser outlet of 1000 mm diameter including connecting of delivery pipes of unit 1 to 3 respectively.  Fabrication providing and fitting of 1300 mm diameter mild steel blinding plates (end plates) on both sides of common header. The end plates are to be fabricated out of 15 mm thick duly finished M.S Plate.  Cutting out of 400 mm diameter 03 No. inlet holes on pump side for further connecting of 03 No. delivery pipes.  Providing and fitting of Compensated opening plates (jacketing) for additional reinforcement to the riser opening and inlet openings of the Manifold. The details of the compensated opening plates/pads shall be as follows S.No Compensated opening pad No. OD mm ID mm T mm 1. for inlet holes(P1,P2,&P3) 3 746 406.4 12 2. For Riser Hole 1 1600 1016 18 The job includes all the modifications and adjustments required at site to connect the 3 No. 400mm ND deliveries pipes and 1000mm ND Riser/rising main with the fabricated delivery manifold.

INSTALLATION, PROPER PLACEMENT, LAYING AND FITTING BY WAY OF WELDING, BOLTING OF AVAILABLE 400 MM DIAMETER DEPARTMENTAL PIPE [40 M APPROX], VALVES, TAIL PIECES ETC. FOR CONNECTING DELIVERY OUTLET OF ALL PUMPING UNITS AS PER NEW ARRANGEMENT INCLUDING THEIR CONNECTING WITH CUT OUT 400 MM DIA. HOLES OF COMMON HEADERS OF BOTH THE RISING MAINS. THE JOB SHALL INCLUDE FITTING BY ALL PURPOSES AND MEANS BY WAY OF CUTTING, WELDING, BOLTING AS PER REQUIRED SITE REQUIREMENT.

PROVIDING AND FITTING OF 400MM ND FLANGES FABRICATED OUT OF 25MM MS PLATES AS PER IS:9523 PN:2.5

Painting of delivery manifold with fittings:- Providing & application of synthetic enamel paint to delivery manifold with gantry & valves, Summer/Winter Gates including Gantry, gear shields, gangway etc. by the way of following:- a) Cleaning of metal surfaces by application of water, emery paper etc, to remove dirt, grease stains, rust etc. The job also includes removing of old loose paint. The gates shall be washed properly to remove mud and other depositions. b) Application of two coats of synthetic enamel paint to all surfaces by spraying method after application of single coat of metal primer. All consumable items for cleaning/painting shall be in contractor’s scope. Make of Paint: Asian /Nerolac/Berger The equipment to be painted and color shading/ sequence is as below: Equipment: Paint/Shade Common headers with riser outlets. Epoxy painted shade to be decided during execution. Expansion Joints do Delivery Manifold pipes of all diameters. do Valves of all diameters do Technical Note Read as in the Appendix B

M/S M M ENTERPRISES