SPECIAL REPAIRS AND REPLACEMENT OF BER PUMP SETS AND RUSTED WATER SUPPLY DISTRIBUTION LINES AT CERTAIN LOCATIONS AT AF STATION HAKIMPET

Amount

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr deep and getting out in hard /dense soil for laying pipes etc complete all as specified and as directed .

Returning and filling in soils , including spreading ,levelling ,watering and well ramming in layers not exc 25 cm thick complete all as specified and as directed .

Removal of excavated material to a distance not exc 50 mtr away from starting point and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and as directed .

Material and labour for cutting of road / hard standing not exc . 1.5 mtr wide and not exc. 1.5 mtr deep for laying and taking out water pipe line including making good the disturbed portion as per existing earlier complete all as specified and as directed .

Supply, installation, testing and commissioning of horizontal pump set complete with suitable capacity of motor 415 Volts, 3 Phase, 50 Hz mounted on common base frame with pressure gauge, pressure switch etc, STD coupling, PCC foundation including inter connecting copper wires / cables of suitable size and all other necessary work required for installation and commissioning as per manufacturers instructions and suitable suction & discharge pipe, of capacity 7.5 HP pipe size 80 mm x 65 mm , Head 18 to 30 mtr and flow rate of 1140-666 LPM complete all as specified and as directed . Make : - Kirloskar (Model No KDS 830+) or equivalent make in KSB / Jyoti. .

Supply,Installation,Testing and Commissioning of Open Well Submersible Pumpset 3 phase 415 volts,50c/s capacity 10 HP (Pipe size:- Suction/Discharge 80 x65 mm) with head 14 to 40 Meter and flow rate of 20.5-9.5 LPS and suitable size submersible cable 20 Mtr complete all as specified and as directed. Make :- Kirloskar Model No KOS-1040 or equivalent make in KSB / Jyoti.

Supply, installation, testing and commissioning of horizontal pump set complete with suitable capacity of motor 415 Volts, 3 Phase, 50 Hz mounted on common base frame with pressure gauge, pressure switch etc, STD coupling, PCC foundation including inter connecting copper wires / cables of suitable size and all other necessary work required for installation and commissioning as per manufacturers instructions and suitable suction & discharge pipe, of capacity 30 HP Pipe size 100mm x 80mm,Head 40-80 meter and flow rate of 3000-1200 LPM complete all as specified and as directed . Make :- Kirloskar (Model No KDS-3068+ or equivalent make in KSB / Jyoti.

Taking up unserviceable cast iron water mains including all fittings with spigots,sockets, socket end , lead joints and burning out lead joints including recovery of lead for 150 mm dia CI pipe complete all as specified and as directed .

Supply and laying of DI pipe spigot and socket ends class 'K-9' suitable in replacement of CI Pipes for tyton joint or any length properly laid in trenches complete all as specified and as directed.

M & L for construction of valve chamber of size 750 mm x 750 mm x 750 mm with 100 mm thick PCC (1:4:8 ) type D-2 for foundation , brick walls built in cement mortor (1:4 ) , PCC 1:2:4 type B1 for coping , rendering in cement mortor 1:4 , 15 mm thick both internally and externally upto 15 cm below GL including provision of MS sheet cover using angle iron 40 x40 x6 mm as a frame embedded in concrete and 3 mm thick MS sheet as in cover with necessary locking arrangements duly painted with two coats of synthetic enamel paint over a coat of red oxide primer including necessary earth work and excavation complete all as specified and as directed.

M & L for construction of valve chamber of 1050 mm x 1050 mm x 1050 mm with 100 mm thick PCC (1:4:8 ) type D-2 for foundation , brick walls built in cement mortor (1:4 ) , PCC 1:2:4 type B1 for coping , rendering in cement mortor 1:4 , 15 mm thick both internally and externally upto 15 cm below GL including provision of MS sheet cover using angle iron 40 x40 x6 mm as a frame embedded in concrete and 3 mm thick MS sheet as in cover with necessary locking arrangements duly painted with two coats of synthetic enamel paint over a coat of red oxide primer including necessary earth work and excavation complete all as specified and as directed.

Supply and fix DI fitting for spigot socketed pipe such as bends ( any type , radius and angle ) tapers any type , (straight , bend increasing , decreasing or double socket etc ) tee pieces single branch , Y junction double branch , of size - up to 150 mm dia complete all as specified and as directed.

Supply and fixed in repair 80 mm dia CI sluice valve flanged of class PN 1.6 conforming to IS - 780 complete with iron wheel head , stainless steel spindle and check nut , including jointing material such as rubber insertion nut bolts washers etc complete all as specified and as directed.

Supply and fix in repair 150 mm dia CI sluice valve flanged of class PN 1.6 conforming to IS - 780 complete with iron wheel head , stainless steel spindle and check nut , including jointing material such as rubber insertion nut bolts washers etc complete all as specified and as directed.

Taking down unserviceable Foot Valve of any description and Supply and fix Foot valves 80 mm dia ISI marked of cast iron with brass diaphram heavy duty screwing type complete all as specified and as directed.

Taking down unserviceable Foot Valve of any description and Supply and fix Foot valves 100 mm dia ISI marked of cast iron with brass diaphragm heavy duty screwing type complete all as specified and as directed.

Material and Labour for run lead joints complete including jointing material such as spun yarn, pig lead for the CI / DI pipe of 150 mm dia size complete all as specified and as directed.

M&L for Rubber gasket Joint (Tyton Joint) suitable for DI / CI pipe of 150 mm dia size complete all as specified and as directed.

Material and Labour for 20 mm dia Galvanized Iron water tubing ISI marked " Medium Grade" with all fittings laid in trenches including taking out pipes complete all as specified and as directed.

Material and Labour for 50 mm dia Galvanized Iron water tubing ISI marked " Medium Grade" with all fittings laid in trenches including taking out pipes complete all as specified and as directed.

Material and Labour for 80 mm dia Galvanized Iron water tubing ISI marked " Medium Grade" with all fittings laid in trenches including taking out pipes complete all as specified and as directed.

M&L for Design, fabrication, supply, installation, testing and commissioning of factory made LT panel board, indoor type, cubical type, floor mounted, made up of CRCA sheet 2mm thick, duly compartmentalised for each control gear and angle iron framework with front operated door system, lockable / openable by keys having chromium plated fancy locks, weather, dust and vermin proof, epoxy powder coated, to minimum IP-43 protection class of IS-2147, LT 415 volts, 3 Phase, 4 wire, 50 cycles, for housing and including provision of the following switch gears, connecting up all incoming and outgoing cables with suitable cable glands, pre-wiring with PVC copper conductor cable of suitable size, nuts, bolts and washers and in accordance with IS-13947 (Part-I) 1993 & IS-8623, marking of incoming and outgoing circuits on panel board complete all as specified and as directed for the following accessaries :-

(c) Outgoing (i) MCCB, 415 Volt, 3 pole, of capacity 40 Amps and rupturing capacity not less than 25 KA with thermal magnetic release alongwith starter suitable for upto 7.5 HP centrifugal monoblock pump set alongwith suitable controller having protection against single phasing, phase reversal, over load, over voltage and under voltage, liquid level controller to avoid dry running etc and LED pilot light indication lamps to indicate motor ON & OFF position ( 02 Sets - One for each pumpset) (ii) MCB SPN, 415 Volt, "C" curve of capacity 32 Amps and rupturing capacity not less than 10 KA - 02 Nos.

Supply and fix in replacement of fully automatic star delta starter for 30 HP capacity centrifugal monoblock pumpset complete all as specified and as directed.

Supply and fix 20 mm dia Gun metal globe or gate valve ISI marked high pressure with iron wheel head screwed both ends for iron pipe line and fixed properly complete all as specified and as directed.

Supply and fix 50 mm dia Gun metal globe or gate valve ISI marked high pressure with iron wheel head screwed both ends for iron pipe line and fixed properly complete all as specified and as directed.

Dwarka Pershad Radhey Ramanlal

Srinivasa Consructions