| 3 | "INSTALLATION OF SV STATIONS All works for installation of all underground & above ground piping at all elevations and below ground at all depth for Sectionalizing Valve Station with / without future tap-off in the same valve chamber as per P & ID & GAD in all ty pe of terrains and soils including ""Receiving and taking over"" as defined in the specifications, handling, loading, transportation and unloading of all Owner supplied materials i.e. extended stem, butt welded, sectionalizing ball valve, other types of valves, li ne pipes for mainline from Owner's designated place(s) of issue to work site, Supply of pipes, fittings & valves for piping of size below 4"" dia, supply of all consumables, materials, manpower and carrying out all mechanical works of underground and above grou nd piping including fabrication, welding, non-destructive testing of welds by radiography or Utrasoninc Testing in case radiograp hy is not possible, weld repairs/ retesting, cleaning/ flushing, pre-hydrotesting & hydrostatic testing, dewatering, functional test ing, pneumatic seat & seal test as per API 6D, cutting of mainline and beveling (if required), tie-in of valve assembly, including r adiography of tie-in joints and Ultrasoninc testing of Golden joints, corrosion, coating and external painting as required. Installation of instruments like pressure/ temperature instruments/ gauges, provision for tubing to the actuator in future, obtainin g all statutory clearances, approvals and permissions for the works (wherever required). Excavation in all types of soil including soft / hard / rocky surfaces, providing 200 mm thk PCC for valve base support, backfilling and compaction with approved soil for installation of pipes and fittings, etc including sand padding all around the valves in SV st ation, pipe supports and fencing would be paid against separate SOR s ), painting, finishing, clean-up and restoration of site; prep aration of as-built drawings, documents and project records and performing all works as per drawings, specifications, other provisio ns of Contract document and instructions of Engineer-in- charge." | | |
| 4 | "Note: 1. Bolts, nuts, washer, U-clamps, gaskets etc. of all sizes required for piping facilities shall be procured and supplied by the con tractor with in the rate quoted. 2. This work is exclusive of all works associated with main pipeline covered under SOR item specified as INSTALLATION OF CARRIER PIP E BY OPEN TRENCH METHOD (ALL KINDS OF SOIL). 3. All civil / structural works including area fencing and gate, pipe supports, valve chamber shall be paid separately as per unit r ate provided elsewhere in the SOR. 4. 4"" and above (fittings & flanges etc. ), material supply is also in the contractor scope. It shall be be paid separately under Supply item provided elsewhere in the SOR." | | |
