REPAIR /MAINT OF MOTOR, CONTROL PANEL, VALVE PIT, STARTER AND ALL CONNECTED ITEMS AT AF ST UTARLAI

Taking down old U/S aviation obstruction light from OH tank of staging upto 20 mtrs and Supply and fix aviation light for high-rise building, towers and chimneys etc. Its UV protected red color unique design make it visible from all the angles and distant places. red colour power consumption upto 25 W IP 65 polycarbonate glass for 360 degree illumination complete all as specified and directed by Engineer - in - Charge

M&L in replacement earthing complete with G I earth plate electrode 600 mm x 600 mm x 6 mm burried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to G I earth strip 32 x 6 mm size by means of brass bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to main switch board or any other electrical equipment all as shown in electrical plate No. 3 of SSR-2009 Part I and including necessary excavation and earth work in any type of soil, 15 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC type C1 chamber , cast iron chamber frame & cast iron pit cover , heavy duty funnel all as directed . Note: The unit rate includes earth strip and protection pipe upto (maximum 7.5 metre from earth plate) earth point/test point.

M&L for Construction of brick masonry valve pit, in repair, of internal size 100cm x 100cm x 90cm including necessary excavation and earth work in soft/loose soil, brick work, plastering, white wash, PCC coping, MS frame made out of angle iron of size 40mmx40mmx6 mm, MS sheet cover of 3 mm thick fixed to angle iron frame by means of hinges welded to frame and painting with 2 coats of synthetic enamel paint over a coat of red oxide primer on steel surfaces and grouting the frame in PCC 1:2:4 type B-1 including handle and locking arrangement with one number 50 mm dia brass pad lock incl demolition of existing valve pit complete all as specified and directed by Engineer - in - Charge Note :- (i) Brick wall shall be 23 cm thick built in cement mortar (1:4) (ii) Internal plaster shall be 15 mm thick in cement mortar (1:4) and external plaster upto 450mm from top shall be 20mm thick in CM (1:6) and remaining external surface shall be flush pointing in CM (1:6) as the work proceeds. (iii) PCC in foundation shall be 15 cm thick in cement concrete (1:4:8) type D2 using 40 mm graded stone aggregate extended 15 cm all around from the external face of the walls. (iv) PCC coping shall be 15 cm thick in cement concrete ( 1:2:4) type B1 using 20 mm graded stone aggregate including grouting of angle iron frame in PCC. (v) Depth of valve pit shall be reckoned from the top of PCC in foundation.

All as per Srl item No 3 above but internal size 120cm x 120cm x 90cm

Repair/remarking to existing scale and indicator (water level indicator of RCC UG reservoir or over head reservoir) with synthetic enamel paint as per colour code and as directed by Engr-in-Charge.

Replacement of PVC floats of size 300mm with pvc wire, red paiting iron plate as per existing size including changing of nilon rope etc complete as directed in all RCC over head reservoir or UG reservoir.

Supply, Installation,Testing and Commissioning of Ultrasonic Level Transmitter at Sump for measurement of level with following specification:- Range : 0-8 meters Accuracy : 0.5 % minimum ,Supply Voltage : 24V DC,Output : 4-20 mA , 0-10V DC incl taking down old u/s level transmitter

Supply, Installation Testing & Commissioning of Outdoor type having Canopy and Double Door for weather protection, PLC ( Programmable Logic Controller) based Automation, Protection Panel suitable for control and monitoring of 01 Nos. Ultrasonic Sensor. The panel should be of minimum size 600(H) X 600(W) X 250(D) mm fabricated from 3.15 mm CRCA Sheet incl taking down u/s panel The Panel should comprise the following functions & items:- (a) Water Level Sensing & Display (ii) 01 No. PLC with follwing specifications:- (MAKE:- SCHNEIDER/SIEMENS/L&T/PHOENIX CONTACT) (a). Non isolated RS 485 communication port or Ethernet communication port. (b). Suitable No. of digital / analog input and outputs. (c). Programming software based on IEC to facilitate building of custom build function blocks. (iii) 01 No. HMI - 7" Graphical Touch screen display (Make: SCHNEIDER / SIEMENS/ L&T/ PHOENIX CONTACT) (a). Should have 01 No. RS 485 and 01 No. USB programming port. (b). Should have USB downloading port. (c). Support external data storage on a USB memory stick for storing production data and backing up applications (iv) 01 No. SMPS of 1.5A rating as suitable according to panel design. (Make: SCHNEIDER / OMRON / PHOENIX CONTACT / TTPL) (vii) MCB rating 6-10A. (Make:- L&T/ Schneider/ABB) (viii) Indicator lamp :- As per requirement (Make:- Schneider/ ESBEE/ABB)

Supply, Installation, Testing and Commissioning of 4 pair CAT 6 UTP armoured cable for Communication incl taking down u/s cable Make : D Link/ KEI/ Polycab/Havells/Digisol

M&L for rewinding of openwell submerssible pump motor of capacity 12.5/10.0 HP from pit/sump by disconnecting and mechanically by all electrical and pipe connections complete with replacement of old unserviceable burnt insulated copper wire and rewinding complete with same guage of submerssible insulated wire and testing complete with refitting on site all as per site requirement or as directed by EIC Note-Rates are inclusive of Old U/s copper winding and u/s spares Make of winding wire : - Devidayal / Chetak Note : - (i) Bearing if required for replacement shall be paid seprately (ii) Transportation of motor is included in the unit rate of items nothing extra shall be paid on this account.