SPECIAL REPAIR/ REPLACEMENT OF PIPELINE AND CONNECTED WORKS OF CENTRAL AC PLANT OF VARIOUS LOCATIONS AT AFS PHALODI

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth or n exc 10 Sqm on plan and n exc 1.5 m in depth & getting out, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes or for laying underground cable, pipe lines etc. in soft/ loose soil, complete all as specified & directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms thick in soft / loose or hard dence soil complete all as specified and directed.

Removing excavated surplus material to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Supply and fix in replacement MS ERW tube heavy grade 150mm dia for condensor water circulation pipes, complete all as specified and directed.

ditto item no 4 but of size 125 mm.

ditto item no 4 but of size 100 mm.

ditto item no 4 but of size 65 mm.

ditto item no 4 but of size 50 mm.

ditto item no 4 but of size 40 mm.

M & L for taking from trench and cutting to old unserviceable M S pipe of size 150 to 100 mm dia complete all as specified and directed.

Ditto as per item no.10 but of size 65 to 40 mm

S & F ERW or induction butt weld M.S flange conforming to IS:1239 part-1 (2004) medium grade of size 150 mm dia including welding of flange with MS pipe all jointing complete all as specified and directed.

Ditto as per item no.12 but of size 125mm

Ditto as per item no.12 but of size 100 mm

Ditto as per item no.12 but of size 65 mm

Ditto as per item no.12 but of size 50 mm

Ditto as per item no.12 but of size 40 mm

S & F ERW or induction butt weld M.S Bend (90/45) conforming to IS:1239 part-1 (2004) medium grade of size 150 mm dia including welding of flange with MS pipe all jointing complete all as specified and directed.

Ditto as per item no.18 but of size 125mm

Ditto as per item no.18 but of size 100mm

Ditto as per item no.18 but of size 65 mm

Ditto as per item no.18 but of size 50 mm

Ditto as per item no.18 but of size 40 mm

S&F in replacement 150 mm dia cast iron Butter fly valve PN 1.6 with stainless steel disc lever complete for all as directed by Engineer in Charge.

ditto item no 24 but of size 125 mm

ditto item no 24 but of size 100 mm

ditto item no 24 but of size 80 mm

ditto item no 24 but of size 65 mm

ditto item no 24 but of size 50 mm

ditto item no 24 but of size 40 mm

S&F in replacement 150mm dia CI Y Strainer flanged end epoxy coated with SS Screen, ISI marked complete all as specified and directed.

Ditto as per item no.31 but of size 125 mm

Ditto as per item no.31 but of size 100 mm

Ditto as per item no.31 but of size 80 mm

Ditto as per item no.31 but of size 65 mm

Ditto as per item no.31 but of size 50 mm

Ditto as per item no.31 but of size 40 mm

S & F in replacement Actuators - NON Spring Return Type Actuators with 3 way Floating control valve of size 40/50mm complete, Model Number: CN4634A1001 34Nm,230V, IP54 Protection. Make: Honeywell

Supply and fix in replacement digital display thermostate for automatic operation of actuator valve including connection of control wiring and setting of temp and humidity as per existing complete all as specified and directed. Make: honeywell

Supply and fix in replacement humidity controller for AHU room including connection of control wiring and callibration of humidity as per existing model complete all as specified and directed. Make: honeywell

M & L for insulation of AC plant chiller pipe line of size 150mm cement plaster insulation 15mm thick over the layer of thermal insulation 50mm thick and GI wire mesh complete all as specified and directed.

Ditto as per item no. 41 but chiller pipe of size 125mm

Ditto as per item no. 41 but chiller pipe of size 100mm

Ditto as per item no. 41 but chiller pipe of size 65 to 40mm

supply and fixing electric operated motorise 3 way actuator valve of size 50mm including connection of control wiring and set with the AHU themostate temp setting complete all as specified and directed.

S&F pressure gauge of range 0 to 150 psi suitable for AC Plant chiller pipe line including making a bore in MS pipe and joint new pipe by welding for pressure gauge connection complete all as specified and directed

S&F thermometer suitable for AC Plant chiller pipe line including making a bore in MS pipe for new connection complete all as specified and directed

M & L repair to monoblock pump capcity upto 7.5 HP , 3 phase of AC plant dismantling, cleaning, grinding rusted portion of pump including replace unserviceable rotar assembly set, impeller, bearing, repair to shaft,make new stud threads in waterbody and fixed new stud nut bolt, replace water seal/glane packing after repair assemble pump with new packing seal complete all as specified and directed. Note:- supply only of bearing,rotar assembly, impeller and mechanical water seal will be measuresd and paid separately under relevent item of work.

Supply only shaft bearing SS as per existing specification.

Supply only impeller upto 7.5 HP monoblock pump with key as per existing specification.

Supply only mechanical water seal as per existing specification.

Supply only rotar assembly suitable for 3HP monoblock pump.

Ditto as per item no. 52 but for 5 HP monoblock pump.

Ditto as per item no. 52 but for 7.5 HP monoblock pump.

M&L for rewinding the electric motor of capacity Upto 5 HP by dismantling and removing the burnt out copper winding cleaning the slot of stator thoroughly and rewinding the stator with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish including re assembling all the parts of the motor, reinstallation in same position complete including testing and comissioning complete all as specified and directed.

Ditto as per item no.55 of but of capacity 7.5 HP

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