Maintenance Works of Water Supply System in Heritage Building PHQ Thiruvananthapuram

CIVIL

18.48:Providing and placing on terrace (at all floor levels) polyethylene water storage tank :ISI 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

OD33225/2025-2026:Providing and fixing ASTM pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings and testing of joints complete as per direction of Engineer-in-Charge 25 mm dia 10Kgf/cm2 - External work - Exposed on wall

18.7.3:Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer -in-Charge. Internal work - Exposed on wall25 mm nominal dia pipes

18.8.3:Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes& fittings, with one step CPVC solvent cement and the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer-in-Charge. Concealed work, including cutting chases and making good the wall etc.25 mm nominal dia pipes

18.18.3:Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete:25 mm nominal bore

OD33271/2025-2026:Engaging Man Labour-Plumber

OD33272/2025-2026:Engaging Man labour -Coolie

ELECTRICAL

90.12.24.5:Supply of superior quality copper tubular cable socket and making core termination of cables of the following sizes including crimping etc. as required.16 sq mm

90.12.37.34:Supply & laying of one number PVC insulated and PVC sheathed armoured copper power cable of 1.1KV grade of the following sizes in ground including excavation of trench of size 35 x 75 cm, refilling the trench etc. as required but excluding sand cushioning and protective covering (in ordinary soil).4 core 16 sq mm

90.12.39.34:Supply & laying of one number PVC insulated and PVC sheathed armoured copper power cable of 1.1KV grade of the following sizes in the existing RCC/ HUME / STONE WARE/ GI/ DWC pipe as required.4 core 16 sq mm

90.12.40.34:Supply & laying of one No. PVC insulated and PVC sheathed armoured copper power cable of 1.1 KV grade of the following sizes in the existing masonry open duct as required.4 core 16 sq mm

90.12.41.34:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured copper power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.4 core 16 sq mm with factory made clamp

90.12.9.2:Supplying, laying and jointing of the following sizes of double wall corrugated (DWC) pipes made out of HDPE conforming to IS 14930 Part II for mechanical protection to underground power cables with all required accessories in ground in the existing trench50/38 mm or nearest size

90.11.1.10:Supply and installation of sheet steel, phosphatised and painted, dust and vermin proof enclosure of MCB DB including copper /brass bus bar, neutral link, earth bus and DIN rail suitable for fixing MCB/ isolator etc. fixed on wall using suitable anchor bolts or fixed in recess including cutting hole on the wall , making good the damages, colour washing etc. as required4 way (8+12) - three phase double cover (IP 42/43)

2.13.2:Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.63 amps

2.13.3:Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.100 amps

2.15.3:Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 milli Amperes in the existing MCB DB complete with connections, testing and commissioning etc. as required. 63 amps

2.10.1:Supplying and fixing 5A to 32 A rating, 240/415 volts, 10 kA, ""C"" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Single pole

2.10.2:Supplying and fixing 5A to 32 A rating, 240/415 volts, 10 kA, ""C"" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Single pole and netural

2.11:Supplying and fixing single pole blanking plate in the existing MCB DB complete etc. as required.

90.6.6.2:Supply and drawing FRLS PVC insulated & sheathed 650/1100 V grade 3 core copper conductor flat cable for submersible pump motor conforming to IS 694 part I 1990 as required including giving necessary connections of the following sizes.2.50 sq mm

1.17.12:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.3 x 2.5 sq. mm

1.21.1:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.20 mm

1.21.2:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.25 mm

OD71134/2025-2026:Supply, Installation, testing and commissioning of Float Switch Liquid Level Controller Sensor for Pump.

OD71135/2025-2026:Supply, Installation, of Sintex box of of suitable size with minimum size of 400mm x 300mmx 190mm or above for fixing the MCB and cable termination .

OD71136/2025-2026:Supply, erection, testing and commissioning of 1 HP Pressure Booster Pump, Single Phase with 7 to 45 meters (23 to 148 feet) Head Range , 15 to 70 LPM Flow Rate, Float switch connection for Dry Run Protection, Thermal Overload Protector with minimum 1 year Warranty.

OD71137/2025-2026:Supply, erection, testing and commissioning of 1.5HP (1PH) OPENWELL SUBMERSIBLE PUMP Single Phase with Head Range of 36 m Max, 168 LPM Max. Discharge Range, with starter and minimum 1 year Warranty.

OD71139/2025-2026:Supply, Installation, testing and commissioning of 2 Pole Pvc Mcb Box.