REPAIR AND MAINT TO EXTERNAL WATER SUPPLY PRV GATE VALVE AND MAIN RISING OF HIGH LOW RISE BLDGS AND ASSOCIATED WORKS AT NOFRA AREA UNDER GE (NW) NAVY NAGAR COLABA MUMBAI

Amount

Construction of brick masonary valve chamber in repair of size 1.2 x 1.2 x 1.2 M (internal dimension) (above GL 0.30 mtr) suitable for fixing of sluice valves, 15cm thick foundation using PCC 1:4:8 type D-2 over 15 cm thick hardcore of broken stone, 23cm thick brick walls built in cement and sand mortar 1:4, 15mm thick internal and external plaster including top of floor in cement and sand mortar 1:3, finished even and smooth, without using extra cement, 5 mm thick MS cover on 50mm x 50mm x 6mm MS angle iron frame embeded in PCC 1:2:4 type B-1 coping, having rectangular, hinged, opening of size 150 x 100mm with locking arrangements ,hold fasts, etc, applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces and earth work in any type of soil including disposal of debris outside MD land complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair, Installation Testing & Commissioning of Indoor type Programmable Logic Controller based Pump and Valve Automation, Protection and communication Panel suitable for control and/or monitoring of 03 Nos. Centrifugal pumps, 10 Nos. motorized valves, 03 Nos. priming valves, 03 Nos. air release solenoid valves, 01 Nos Ultrasonic level sensor, 03 Nos Pressure transmitters and 02 nos. level switches.The panel should be of suitable size fabricated from 2.0 mm thick CRCA sheet and properly powder coated with angle iron supports not less than 40x40x5mm. .The Panel should comprise the following items :-

Water Level Sensing & HMI Display

Automatic and Manual mode operation (all connected sub systems including all valves) from the PLC based control panel using GPRS modem and OFC with facility of including two sims for communication complete all as specified and directed by Engineer-in-Charge.

The PLC based panel shall consist of the following sub systems :- (a) With inbuilt mod bus communication port (Make : RISHABH/CONZERVE/ADEPT/L&T (b) 01 No PLC with following specifications.

40 Nos digital inputs, 40 digital outputs and 04 Nos analog inputs complete all as specified and directed by Engineer-in-Charge.

4 Serial ports supporting open communiation protocol, 01 No Ethernet port complete all as specified and directed by Engineer-in-Charge.

Programming software based on IEC to facilitate building of custom built function blocks complete all as specified and directed by Engineer-in-Charge.

Expandable upto 192 DI / DOs 01 No. HMI - 7" (min) Graphical Touch screen mluticolour having following minimum features (a) 02 Nos. serial ports and 01 No. USB port (b) Floating Point support (c) Built in RTC (d) bar Graph and image (bmp, jpeg files) (e) Realtime and historical trending. (f) Realtime and historical alarms.

01 No SMPS of 5A rating complete all as specified and directed by Engineer-in-Charge (MAKE : TELEMECANIQUE/NHP)

01 No suitable surge protection device suitable for 230V incoming supply complete all as specified and directed by Engineer-in-Charge (MAKE: PHOENIX/TRINITYTOUCH).

Suitable No of interposing relays 24V DIC coil rating, 4 pole and 2A contact rating complete all as specified and directed by Engineer-in-Charge (Make: OEN/OMRON/IOEC/ALL EN BRAOLEY)

MCB rating 6A complete all as specified and directed by Engineer-in-Charge.

Redundant GPRS modem based communication module comprising of one main and one standby modem with suitable antenna, modem controller and 02 Nos data enabled SIM card (01 No per modem) using two different service providers. The module shall be programmed to automatically toggle between the service providers based on the actual signal strength, switch to the stand by modem in case the main modem fails cost of communication from the date of completion complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair, Installation Testing & Commissioning of Indoor type Programmable Logic Controller for Valve Automation, Protection and communication Panel suitable for control and/or monitoring 03 Nos. motorized valves with 1 set of 4 No of magnetic sensor valves.The panel should be of suitable size fabricated from 2.0 mm thick CRCA sheet and properly powder coated with angle iron supports not less than 40x40x5mm. .The Panel should also to be operated on Manual Mode Operation (all connected sub systems)from the PLC based Control Panel. The PLC based Panel shall consist of the follwing sub systems complete all as specified and directed by Engineer-in-Charge:- (a) with inbult mod bus communication port (Make: RISHABH/CONZERVE/ADEPT/L&T) (b) 01 N0. PLC with follwing specifications.

40 Nos.Digital inputs, 40 digital outputs and 04 Nos. analog inputs complete all as specified and directed by Engineer-in-Charge.

4 serial ports supporting open communication protocol, 01 No. Ethernet port complete all as specified and directed by Engineer-in-Charge.

Programming software based on IEC to facilitate building of custom built function blocks complete all as specified and directed by Engineer-in-Charge.

Expandable upto 192 DI / DOs complete all as specified and directed by Engineer-in-Charge.

02 Nos. serial ports and 01 No. USB port complete all as specified and directed by Engineer-in-Charge.

Add GPRS modem with facility of including two sims complete all as specified and directed by Engineer-in-Charge.

Floating Point support - 01 No Each complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair, Installation Testing & Commissioning of Indoor type Programmable Logic Controller for Valve Automation, Protection and communication Panel suitable for control and/or monitoring 08 Nos. motorized valves and 04 Nos magnetic level sensor The panel should be of suitable size fabricated from 2.0 mm thick CRCA sheet and properly powder coated with angle iron supports not less than 40x40x5mm. .The Panel should also to be operated on Manual Mode Operation (all connected sub systems)from the PLC based Control Panel. The PLC based Panel shall consist of the following sub systems complete all as specified and directed by Engineer-in-Charge:- (a) with inbult mod bus communication port (Make: RISHABH/CONZERVE/ADEPT/L&T) (b) 01 No PLC with follwing specifications.

40 Nos.Digital inputs, 40 digital outputs and 04 Nos. analog inputs complete all as specified and directed by Engineer-in-Charge.

4 serial ports supporting open communication protocol, 01 No. Ethernet port complete all as specified and directed by Engineer-in-Charge.

Programming software based on IEC to facilitate building of custom built function blocks

Expandable upto 192 DI / DOs

02 Nos. serial ports and 01 No. USB port

Add GPRS modem with facility of including two sims

Floating Point support

Built in RTC

Bar Graph and image (bmp, jpeg files)

Realtime and historical Trending,

Supply and fix in repair, Installation Testing & Commissioning of Indoor type Programmable Logic Controller based communication Panel suitable for control and/or monitoring of 02 Nos motorized valves , 01 Nos Ultrasonic level sensor. .The panel should be of suitable size fabricated from 2.0 mm thick CRCA sheet and properly powder coated with angle iron supports not less than 40x40x5mm. .The Panel should comprise the following items: (a) Water Level Sensing & HMI Display (b) Automatic and Manual Mode Operation (all connected sub systems including all valves) from the PLC based Control Panel using GPRS modem and OFC with facility of including two sims for communication complete all as specified and directed by Engineer-in-Charge.

The PLC based Panel shall consist of the follwing sub systems complete all as specified and directed by Engineer-in-Charge:- (i) with inbult mod bus communication port (Make: RISHABH/CONZERVE/ADEPT/L&T) (ii) 01 No PLC with following specifications.

40 No Digital inputs, 40 digital outputs and 04 Nos. analog inputs

4 serial ports supporting open communication protocol, 01 No. Ethernet port

Programming software based on IEC to facilitate building of custom built function blocks

Expandable upto 192 DI / DOs

02 Nos serial ports and 01 No. USB port

Add GPRS modem with facility of including two sims

Floating Point support - 01 No Each

Floating Point support

Built in RTC

Bar Graph and image (bmp, jpeg files)

Realtime and historical Trending,

Supply and fix in repair, Installation Testing & Commissioning of Indoor type Programmable Logic Controller based communication Panel suitable for control and/or monitoring of 04Nos motorized valves , 03 Nos Ultrasonic level sensor. .The panel should be of suitable size fabricated from 2.0 mm thick CRCA sheet and properly powder coated with angle iron supports not less than 40x40x5mm. The Panel should comprise the following items: (a) Water Level Sensing & HMI Display (b) Automatic and Manual Mode Operation (all connected sub systems including all valves) from the PLC based Control Panel using GPRS modem and OFC with facility of including two sims for communication complete all as specified and directed by Engineer-in-Charge.

The PLC based Panel shall consist of the follwing sub systems (i) with inbult mod bus communication port (Make: RISHABH/CONZERVE/ADEPT/L&T) (ii) 01 No PLC with following specifications:-

40 Nos Digital inputs, 40 digital outputs and 04 Nos. analog inputs

04 serial ports supporting open communication protocol, 01 No. Ethernet port

Programming software based on IEC to facilitate building of custom built function blocks.

Expandable upto 192 DI / DOs

02 Nos. serial ports and 01 No. USB port

Add GPRS modem with facility of including two sims

Floating Point support- 01No Each

Floating Point support

Built in RTC

Bar Graph and image (bmp, jpeg files)

Realtime and historical Trending,

Notes for item No 2,3,4,5,6 : Seamless Integration of the above PLC Panels under into the Existing SCADA System incorporating 1. Development: a. SCADA Screens for new Updated Panel configuration b. Layout for App new Updated Panel configuration c. Report Format new Updated Panel configuration 2. On-site development: a. Modifications in SCADA Screens b. Modifications in reporting format c. Modifications in App layout Note: This item shall be got executed from the contractor who has executed the existing SCADA system / OEM of the existing SCADA system. Make of Control Panel: Cimcon Software Pvt Ltd/ Reckronic Devices andSystems / Sombansi Schneider/Universal Switchgear. months from the date of completion. (a) The quoted cost shall deem to include the cost of communication for 12 months from the date of completion. (b) Above All automation panel should connected to existing SCADA server and any other leftout devices and accessories require to commissioning should be consider and same should be include in quoted rates and department will not pay extra cost for the same

Supply and fix in repair, Installation, Testing & Commissioning of Motor Actuated Butterfly Valve consisiting of Quarter turn single phase Actuator and Wafer type butterfly valve of size 300 mm dia with appropriate bracket/mounting arrangement including two nos. limit switches for open and closed condition and splash proof enclosure. SpecificationSupply and Fixingeatures Input Voltage: 230 V, A.C. Designed line pressure: 10 kg/sq cm. Operating Angle: 90 degrees Disc Material: CI with nylon coating Limit Switches : 02 Nos.For open and close status Mounting :Extended type with universal joint for installation 18 -24 inches above ground level with angle mounting including raising of existing chamber if required complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair, Installation, Testing & Commissioning of Motor Actuated Butterfly Valve consisiting of Quarter turn single phase Actuator and Wafer type butterfly valve of size 200mm dia with appropriate bracket/mounting arrangement including two nos. limit switches for open and closed condition and splash proof enclosure. SpecificationSupply and Fixingeatures Input Voltage: 230 V, A.C. Designed line pressure: 10 kg/sq cm. Operating Angle: 90 degrees. Disc Material: CI with nylon coating Limit Switches : 02 Nos.For open and close status Mounting : Extended type with universal joint for installation 18 -24 inches above ground level with angle mounting including raising of existing chamber if required complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair, Installation Testing & Commissioning of Motor Actuated Butterfly Valve consisiting of Quarter turn single phase Actuator and Wafer type butterfly valve of size 150 mm dia with appropriate bracket/mounting arrangement including two nos. limit switches for open and closed condition and splash proof enclosure. SpecificationSupply and Fixingeatures Input Voltage: 230 V, A.C. Designed line pressure: 10 kg/sq cm. Operating Angle: 90 degrees Disc Material: CI with nylon coating Limit Switches : 02 Nos.For open and close status Mounting :Extended type with universal joint for installation 18 -24 inches above ground level with angle mounting including raising of existing chamber if required complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair, Installation, Testing & Commissioning of Motor Actuated Butterfly Valve consisiting of Quarter turn single phase Actuator and Wafer type butterfly valve of size 100 mm dia with appropriate bracket/mounting arrangement including two nos. limit switches for open and closed condition and splash proof enclosure. SpecificationSupply and Fixingeatures Input Voltage: 230 V, A.C. Designed line pressure: 10 kg/sq cm. Operating Angle: 90 degrees Disc Material: CI with nylon coating Limit Switches : 02 Nos.For open and close status Mounting ::Extended type with universal joint for installation 18 -24 inches above ground level with angle mounting including raising of existing chamber if required complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair , Installation, Testing & Commissioning of Motor Actuated Butterfly Valve consisiting of Quarter turn single phase Actuator and Wafer type butterfly valve of size 80 mm dia with appropriate bracket/mounting arrangement including two nos. limit switches for open and closed condition and splash proof enclosure. SpecificationSupply and Fixingeatures Input Voltage: 230 V, A.C. Designed line pressure: 10 kg/sq cm. Operating Angle: 90 degrees Disc Material: CI with nylon coating Limit Switches : 02 Nos.For open and close status Mounting :Direct mounted complete all as specified and directed by Engineer-in-Charge.

Supply and laying in repair, 6 core 1.5 sqmm armoured cable with copper conductor complete all as specified and directed by Engineer-in-Charge.

Supply and laying in repair, 4core 1.5 sqmm armoured cable with copper conductor complete all as specified and directed by Engineer-in-Charge.

Supply, Installation, Testing and Commissioning of outdoor type Wimax CPE stations operating on license free frequency of 5 Ghz at suitable locations along with suitable antenna complete with mounting pole and accessories to be connected to the ofc network of each node and establish wireless connectivity with the central server complete all as specified and directed by Engineer-in-Charge.

Supply, Installing,Testing and Commissioning of Ultrasonic Level Transmitter Range : 0-5 metres Accuracy : 0.5 % minimum Supply Voltage : 24V DC Output : 4-20 mA Ultrasonic Frequency:75 kHz burst, rep. rate 96 ms Delay at Power-up: 1.5 seconds Temperature Effect: Uncompensated: 0.2% of distance/°C &Compensated: 0.02% of distance/°C Delay at Power-up: 1.5 seconds Resolution: 1.0 mm Output Response Time: 100 ms to 2300 ms Minimum Window Size: 20 mm Environmental Rating: Leakproof design is rated IEC IP67; NEMA 6P Operating Conditions: Temperature: –20 °C to 70 °C (–4 °F to 158 °F) Maximum relative humidity: 100% complete all as specified and directed by Engineer-in-Charge.

Supply and fixing of cable of armoured CAT 6 UTP cable made upof copper for communication with Wimax including fixing of cables to wall with necessary clamping complete all as specified and directed by Engineer-in-Charge. Make: Dlink/Finolex/Polycab or as approved by GE)

Material and Labour in replacement of Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick burried directly in ground (earth pit not less than 2.25m depth below ground level) with top edge of the plate not less than 1.5 m below ground level connected to galvanised earth strip of size 25x4mm by mean of bolt, nuts, check nuts and washer of galvanised iron steel all as shown in electrical plate No 3 of SSR Part - I, connected earthing test point and testing on complete all as specified and directed Note :- Rate also include necessary excavation and earth work in any type of soil, PCC pit 1:3:6 type C2, CI cover, funnel with watering pipe GI pipe light grade20 mm, wire mess, GI Protection pipe 40mm dia medium grade, test point, connecting lead/strip from test point to main switch or eqipment to be connected complete all as specified and directed by Engineer-in-Charge.

Supply & fixing in replacement of earth continuity conductor GI strip 25x4 mm complete all as specified and directed by Engineer-in-Charge.

Supply & fixing in replacement of battery charging unit including rectifier unit , voltage regulator,two Nos clamp,,nuts, bolts and suitable length of stranded copper conductor PVC cable 2.5 sq mm 3 run from power point to battery charger and 2 run fro battery charger to battery etc suitable for 12 volt battery charging unit complete all as specified and directed by Engineer-in-Charge.

Supply & fixing in replacement of battery 12 volts ,180 AH complete all as specified and directed by Engineer-in-Charge.

Supply/Fixing in repair/replacement of steel water tubing, galvanised, Medium grade with all fittings in shafts such as nipple, union, socket, elbow, bends, fixed to wall including necessary & capacity up to 15 th floor in high rise buildings in short piece/length, including breaking the existing brick wall for replacement of corroded GI pipe in/on wall and making good the disturbed surfaces complete all as specified and directed by Engineer-in-charge.Note (1)Work to be carried out in high rise buildings plain wall or in shafts or in terraces or inside the flats for cutting the existing GI pipe line and replace the same with new GI pipe in short piece or full length complete all as specified and directed by Engineer-in-Charge.

25 mm bore

40 mm bore

50 mm bore

80 mm bore

Excavation in trenches not exceeding 1.5 mtr wide not exceeding 1.5 mtr in depth and getting out in soft/loose soil complete all as specified and directed by Engineer-in-Charge.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms in any type of soil complete all as specified and directed by Engineer-in-Charge.

Note : For item No 22 and 23 above rate deemed to be included for earth work and form work required as per site requirement complete all as specified and directed by Engineer-in-Charge.

Removing excavated material exc 250 M but n.exc 500 M and depositing where directed complete all as specified and directed by Engineer-in-Charge.

Demolition of cement concrete (unreinforced) in ground floors and pavings n.exc 15 cm thickness (below or above ground level) and debris out side MD land complete all as specified and directed by Engineer-in-Charge.

M&L cement concrete 1:2:4, type B-2 (using 20 mm graded stone aggregate) of foundation and hardstanding finishing even and fair without using extra cement complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repairs in existing line, gun metal gate valve with iron wheel head screwed both ends for iron pipe including fittings i.e. union, socket etc complete all as specified and directed by Engineer-in-Charge. of following sizes :-

40 mm bore

50 mm bore

80 mm bore

25 mm bore

Supply and fixing in repair Flow meter of size 300 mm dia flange end class B type including cutting of existing pipe, welding, DI fittings, Nut bolts as reqd at site and testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair Flow meter of size 150 mm dia flange end class B type including cutting of existing pipe, welding, DI fittings, Nut bolts as reqd at site and testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair Flow meter of size 100 mm dia flangeend class B type including cutting of existing pipe, welding, DI fittings, Nut bolts as reqd at site and testing complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing in repair in Sluice valves flanged end, cast iron body, flanged and drilled and non rising type brass spindle with nut, long body, class P N 16, conforming to IS 14846 of 2000 for following sizes in any position/location including all flange joint with rubber or fiber board gaskets, bolts, nuts and washers complete including pumping out accumulated water all as specified and directed of following sizes :- Note :- For Additional manpower, welding, chipping, plastering and any other item required for replacement of the item including making good the disturbed surfaces are deemed to be including in the item rate and no extra payment will be claimed by the contractor to the work.

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

Material and Labourcement concrete 1:2:4, type B-2 (using 40 mm graded stone aggregate) as in support of CI pipes, foundation and hardstanding finishing even and fair without using extra cement complete all as specified and directed by Engineer-in-Charge.

Material and Labour for CI specials conforming to IS - 1538, spigot /socket or flanged fitting I.e. bend, tee, collar, flanged/ socket /spigot, Tappers and tails pieces etc suitable for 100/150/200/250/300 mm bore pipes (joints and joining material shall be measured and paid seperately) complete all as specified and directed by Engineer-in-Charge.

Material and Labour for DI specials conforming to IS - 9523, spigot /socket or flanged fitting I.e. bend, tee, collar, flanged/ socket /spigot, Tappers and tails pieces etc suitable for 100/150/200/250/300 mm bore pipes (joints and joining material shall be measured and paid seperately) complete all as specified and directed by Engineer-in-Charge.

Material and Labour for run lead joint in repair with pig lead including pumping out / bail out water and necessary excavation and earth work in any type of soil,to repair the joints for following sizes of pipes complete all as specified and directed by Engineer-in-Charge:-

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

Material and Labour for Cutting existing cast iron pipes and reducing for insertion of CI fittings to required length in position for following sizes :- Note :- Pipe fittings used shall be measured and paid under relevant items of schedule 'A' remaining items like welding and other items required shall be deemed to be included in the item rate complete all as specified and directed by Engineer-in-Charge.

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

Supply and laying in replacement of spigot and socket Ductile iron water tubing having cement mortar lining on inner surface and one coat of bituminous paint over exposed surface ISI marked, IS No. 8329:2000, including rubber joint of suitable size, class K-9 laid on wall/roof/floor/trenches with proper alingnment as per site requirement and carryout testing against leakage before filling the trenches etc complete all as specified and directed by Engineer-in-Charge.

300mm bore

250 mm bore

200mm bore

150mm bore

100mm bore

80mm bore

Supply and fixing in repairs MS pipe heavy grade for suction and deliver for pump including painting of one coat red oxide primer and two coats of synthetic enamel paint after fixing, welding and providing necessary PCC support as required at site complete all as specified and directed by Engineer-in-Charge of following sizes :-

150 mm dia

100mm dia

80mm dia

Attending the water supply breakdowns of any size/type of pipes in any position/location/depth including necessary excavation, earth work, cutting of pipes, welding, replacement of pipes of any nature, flanges, bends, collars, nut bolts, gasket, run lead joint or any other items required for rectification of break downs, testing and making good to the disturbed surfaces after rectificationcomplete all as specified and directed by Engineer-in-Charge for the following size of pipe lines :- Note :- 1. Items like run lead joint, CI/DI /MS fittings or pipes, nut bolts shall be measured and paid separately under relevant item of schedule 'A 2. Remaining items are shall be deemed to be included in the item rate and no extra payment shall not to be claimed for the completion of break down. 3. After hand over of complaint, contractor shall complete the break down within 24 hrs or other wise panel recovery shall be made 2500/- per breakdown

300/250 mm dia CI/DI/MS pipe line

150/100 mm dia CI/DI/MS pipe line

80/50 mm dia CI/DI/MS/GI pipe line

40/25 mm dia GI pipe line

Supply and Fixing in repairs PVC water storage Tank with cover triple layer pure anti microbail round type and dismantling of existing foundation and making new PCC foundation size 10 cm more than the dia of the tank and height of the foundation not less than 20 cm height and making connections including replacement of new GI fittings i.e. tank nipple, washers, float valves and Gate valves and Pipes for connecting the existing delivery lines complete all as specified and directed for the following capacity :- Note :- Gate valves and GI pipe only shall be paid under relevant item of Schedule 'A' remaining items shall be deemed to be included in the item rate complete all as specified and directed by Engineer-in-Charge.

5000 Ltr capacity

3000 Ltr capacity

2000 Ltr capacity

Supply ,Installation testing & Commissioning in repair of motor actuated butterfly valve (with manual operating wheel) consisting of Quarter turn single phase actuator and wafer type butterfly valve of size 50 mm dia with appropriate bracket/mounting arrangement including two nos limit switches for open and closed condition and splash proof enclosure. SpecificationSupply and Fixingeatures :- Input voltage : 230 V, AC Designed line pressure : 10 kg/sq cm. , Operating angle : 90 degrees, Disc material : CI with nylon coating , Limit switches : 02 Nos. for open and close status Mounting : Direct on valve. Note : Rates are also including of cutting, welding and any modifications in existing line with suitable DI/CI fittings and its fixing are completely included in the item rate and no extra cost will be claimed bu the contractor complete all as specified and directed by Engineer-in-Charge.

20. Supplying, laying, jointing testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, LT cable 1100 Volts, laid in trenches fixed to pole, including jointing & testing complete all as specified and directed by Engineer-in-Charge of following sizes:- 95 Sqmm 3.5 core Note :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately.

All as per item No 43 but size 120 sqmm 3.5 core complete all as specified and directed by Engineer-in-Charge.

All as per item No 43 but size 185 sqmm 3.5 core complete all as specified and directed by Engineer-in-Charge.

Supply and Fixing sub class B bricks having minimum compressive strength 75 Kg/ Sq cm laid in trenches for cable protection etc complete all as directed by Engineer-in-Charge.

Laying only old bricks obtained from excavation complete all as specified and directed by Engineer-in-Charge.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified and directed by Engineer-in-Charge. Note : Measurement shall be taken after punning down.

Supply, installation testing of pressure relief valve of 150 mm following specfications Design- Pilot Operated, Globe type MOC Body & Cover - Ductile Iron MOC Trim - SS 304/ ASTM A 351 GR. CF8 MOC Spring - SS 304 MOC - Diaphragm - Nylon Reinforced Nitrile Set Pressure - 55 to 75 Psi-g Temp- Ambient Application-Water Ends Connection - Flange end as per ASME including excavation, testing, cutting existing pipe all as specified and directed by Engineer-in-Charge Make : Hyper valves, Darshan Valve, Airindia valves or as approved by GE.

shubham construction

BOB ENTERPRISES

Shetty Construction Co

Chakshu Enterprise

Darpan Construction