| 1 | Providing, laying, jointing, welding and fixing 150 mm diameter MS (Mild Steel) Class-C pipe ISI marked (IS 1239) including supply of pipes, cutting and beveling of pipe ends, alignment and welding of joints using electrodes, including Providing and fixing necessary MS fittings such as bends, tees, reducers and flanged joints with rubber insertion gaskets, nuts and bolts complete. The job also includes making suitable supports such as MS clamps, hangers or concrete pedestals as required, applying one coat of red oxide primer and two coats of synthetic enamel paint of approved shade after surface preparation. The job includes dismantling of old damaged pipeline wherever necessary.
The Pipes shall be Seamless and shall comply with relevant standards for mild steel pipes used for water and utility services.
The pipes shall be straight, smooth, round and uniform in thickness, free from cracks, laminations, surface defects, rust scale and other manufacturing defects. Pipe ends shall be prepared for welding by proper beveling where flanged joints are required, flanges shall be of matching bore and pressure rating, fixed by full penetration welding. Gaskets shall be rubber insertion or non-asbestos fiber type suitable for the service pressure, and bolts & nuts shall be of standard high-tensile grade.
All welding shall be carried out using approved welding electrodes by qualified welders. Weld joints shall be uniform, continuous and free from porosity or undercut.
The pipeline shall be laid on supports / hangers / clamps / pedestals. Suitable MS supports / saddles / clamps shall be provided at required intervals to avoid sagging and misalignment. After fabrication, the external surface of the pipe shall be cleaned thoroughly by wire brushing/emery, and one coat of red oxide anti-corrosive primer followed by two coats of synthetic enamel / epoxy protective paint of approved shade shall be applied to the exposed surfaces. The laying of pipeline will be done as per site condition /direction of Engineer-in-Charge.
The pipeline shall be flushed and cleaned, and then hydrostatically tested for leakage and strength at a pressure not less than 1.5 times the working pressure for the required duration. Any leakage or defects observed during testing shall be rectified by the contractor at no extra cost. The job also includes dismantling walls or partitions to route overground piping inside the building and connecting with already existing sprinkler and hydrant pipeline inside the building and subsequent reinstatement of masonry, plaster, finishes, and backfilling. Work includes proper curing, painting, making good affected floors/walls, and provision of temporary supports during installation, ensuring neat restoration.
Makes:
MS Pipe and Fittings - TATA Steel / TATA Pipes, Jindal (Hissar/ JSPL/Jindal India),Prakash Surya.
Synthetic Enamel Paint / Industrial Paint: Asian Paints, Berger,Nerolac
Welding Electrodes: Tata Agrico, Advani, ESAB, Ador Welding
| 900.000 | mtrs |
| 2 | Providing, laying, jointing, welding and fixing 80 mm diameter MS (Mild Steel) Class-C pipe ISI marked (IS 1239) including supply of pipes, cutting and beveling of pipe ends, alignment and welding of joints using electrodes, including Providing and fixing necessary MS fittings such as bends, tees, reducers and flanged joints with rubber insertion gaskets, nuts and bolts complete. The job also includes making suitable supports such as MS clamps, hangers or concrete pedestals as required, applying one coat of red oxide primer and two coats of synthetic enamel paint of approved shade after surface preparation. The job includes dismantling of old damaged pipeline wherever necessary.
The Pipes shall be Seamless and shall comply with relevant standards for mild steel pipes used for water and utility services.
The pipes shall be straight, smooth, round and uniform in thickness, free from cracks, laminations, surface defects, rust scale and other manufacturing defects. Pipe ends shall be prepared for welding by proper beveling where flanged joints are required, flanges shall be of matching bore and pressure rating, fixed by full penetration welding. Gaskets shall be rubber insertion or non-asbestos fiber type suitable for the service pressure, and bolts & nuts shall be of standard high-tensile grade.
All welding shall be carried out using approved welding electrodes by qualified welders. Weld joints shall be uniform, continuous and free from porosity or undercut.
The pipeline shall be laid on supports / hangers / clamps / pedestals. Suitable MS supports / saddles / clamps shall be provided at required intervals to avoid sagging and misalignment. After fabrication, the external surface of the pipe shall be cleaned thoroughly by wire brushing/emery, and one coat of red oxide anti-corrosive primer followed by two coats of synthetic enamel / epoxy protective paint of approved shade shall be applied to the exposed surfaces. The laying of pipeline will be done as per site condition /direction of Engineer-in-Charge.
The pipeline shall be flushed and cleaned, and then hydrostatically tested for leakage and strength at a pressure not less than 1.5 times the working pressure for the required duration. Any leakage or defects observed during testing shall be rectified by the contractor at no extra cost. The job also includes dismantling walls or partitions to route overground piping inside the building and connecting with already existing sprinkler and hydrant pipeline inside the building and subsequent reinstatement of masonry, plaster, finishes, and backfilling. Work includes proper curing, painting, making good affected floors/walls, and provision of temporary supports during installation, ensuring neat restoration.
Makes:
MS Pipe and Fittings - TATA Steel / TATA Pipes, Jindal (Hissar/ JSPL/Jindal India),Prakash Surya.
Synthetic Enamel Paint / Industrial Paint: Asian Paints, Berger,Nerolac
Welding Electrodes: Tata Agrico, Advani, ESAB, Ador Welding
| 50.000 | mtrs |
| 3 | Providing and fixing 150 mm diameter Cast Iron Butterfly Valve of PN 16 rating, complete with companion flanges, gaskets, nuts and bolts. The valve body shall be made of Cast Iron with fusion-bonded epoxy coating, and the disc shall be of stainless steel SS304 for corrosion resistance. The spindle/shaft shall be stainless steel SS304 with EPDM/NBR resilient seat ensuring zero leakage under rated pressure. The valve shall be of wafer-type/double-flanged type with bi-directional flow capability, low operating torque and lever/gear-operated mechanism as required. The scope includes cutting and preparing the pipe ends, cleaning, aligning and positioning the valve centrally between the flanges, inserting rubber insertion gaskets, and tightening bolts and nuts in a cross-pattern to ensure uniform pressure and leak-proof joints. All installation activities, including pipe alignment checking, ensuring unobstructed disc movement, proper support of pipeline to avoid stresses on the valve body, and operating the valve through its full open close range, shall be carried out as per standard practice. The installed valve shall undergo hydrostatic pressure testing of the body and seat, leakage inspection, and functional operation testing to confirm smooth and satisfactory performance. The job shall include supply of valve, flanges, gasket, labour, tools and tackles, cutting/grinding equipment, transportation, testing and commissioning, and all incidental works required to complete the installation in all respects. Make: L&T / Kartar/Zoloto/ Audco / Kirloskar | 20.000 | no. |
| 4 | Providing and fixing 80 mm diameter Cast Iron Butterfly Valve of PN 16 rating, complete with companion flanges, gaskets, nuts and bolts. The valve body shall be made of Cast Iron with fusion-bonded epoxy coating, and the disc shall be of stainless steel SS-304 for corrosion resistance. The spindle/shaft shall be stainless steel SS-304 with EPDM/NBR resilient seat ensuring zero leakage under rated pressure. The valve shall be of wafer-type/double-flanged type with bi-directional flow capability, low operating torque and lever/gear-operated mechanism as required. The scope includes cutting and preparing the pipe ends, cleaning, aligning and positioning the valve centrally between the flanges, inserting rubber insertion gaskets, and tightening bolts and nuts in a cross-pattern to ensure uniform pressure and leak-proof joints. All installation activities, including pipe alignment checking, ensuring unobstructed disc movement, proper support of pipeline to avoid stresses on the valve body, and operating the valve through its full open close range, shall be carried out as per standard practice. The installed valve shall undergo hydrostatic pressure testing of the body and seat, leakage inspection, and functional operation testing to confirm smooth and satisfactory performance. The job shall include supply of valve, flanges, gasket, labour, tools and tackles, cutting/grinding equipment, transportation, testing and commissioning, and all incidental works required to complete the installation in all respects. Make: L&T / Kartar/Zoloto/ Audco / Kirloskar | 10.000 | no. |
| 5 | Supply, installation, testing and commissioning of pressure gauges for the fire-fighting system to be installed in pump room, different floors/landings. The pressure gauges shall be industrial-grade Bourdon tube type with a minimum 150 mm dial size, stainless steel front casing, phosphor-bronze/SS bourdon tube, glycerin or silicone filled for vibration damping, and accuracy not less than 2% of full scale. Each gauge shall be suitable for a working pressure of up to 16 bar (PN-16) and shall conform to relevant fire-fighting and instrumentation standards. The scope includes provision of gauge cock/isolation valve, extended trail pipe, adapters, reducers, T-fittings, and necessary accessories for connecting the gauge to the existing pipe network without leakage. Work includes cutting, threading/welding of pipe as required, fixing of gauge assembly, sealing of joints with approved sealing compounds, orientation check for proper visibility, and protection against mechanical damage. Gauges shall be installed at all required system locations including pump suction and discharge headers, sprinkler control valves, , landing valve manifolds, hydrant riser, Each floor on two sides, roof top and other critical points.After installation, the contractor shall perform hydrostatic pressure testing of the gauge connection line, functional verification of gauge movement from zero to maximum range, and calibration check. All materials, fittings, consumables, skilled/semi-skilled labour, tools, tackles, ladders/scaffolding, transportation, and all taxes are included to complete the work in all respects, leaving the system fully operational. (Complete Job)
Make : H. Guru Instruments, Baumer India, Ashcroft, Fiebig, Wika
| 35.000 | no. |
