Public Works Department Tender

Supplying cast iron fittings as per IS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts.

Flanged Socket Tail piece ( Flanged Adaptors)

350mm

450mm

Supply, installation, testing and Commissioning of INBUILT BATTERY OPERATED Electromagnetic Flow Meter (EMF), for Raw/ treated water with accuracy +/-1% of measured valve and protection as per given specifications for size 100 mm – 1000 mm including sensor, transmitter, surge arrestor, 25 mtrs sensor/ transmitter AC/ DC. Inbuilt battery should proSupply, installation, testing and Commissioning of INBUILT BATTERRRY OPERATED Electromagnetic Flow Meter (EMF), for Raw/ treated water with accuracy +/-1% and sensor of protection of IP 68 Grade for pressure rating PN 16 including sensor coil housed in Cast Aluminium/ Carbon Steel with anti-corrosive food grade powder coating; Co-axial signal sensor/ transmitter & power cable routed through duct of 50mm dia G.I. Pipe; surge arrestor; over voltage protection unit, PTFE/ Rubber Liner material(as desired by Engineer in-charge). The output showing volumetric flow rate and totalized flow with other details shall be on LCD display screen mounted on the flow meter body or in the nearby control room with upto 25m length transmitter / sensor cabling and simultaneous transmission of reading through GSM Mobile signals to designated phone numbers and meter should have data storage of required capacity and shall be freely programmable for future upgradation and Scada compatible. Inbuilt battery should provide power to meter for minimum five years etc. complete as directed by Engineer-incharge.vide power to meter for minimum five years etc. complete as directed by Engineer-in charge.

350mm

450mm

Construction of masonry chamber 120x120x100 cm inside in 40kg/sq. cm brickwork complete with 23 cms wall thickness and in cement mortar1:4 ( 1 cement : 4 coarse sand) for sluice valve size beyond 200mm dia with necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5 coarse sand: 10 graded stone ballast 40 mm nominal size) and inside plastered with CM 1:3 ( 1 cement : 3 coarse sand) finished with floating coat of neat cement complete and chamber cover as specified below etc. all complete as per standard drawing . (rate is inclusive of rate earthwork excavation, cost of surface cover and all other materials and labour and as per details below)

with C.I. Surface box 100mm top dia 160mm bottom dia and 160mm deep of wt. 15kg inside with chain lid in 120 mm thick RCC slab cover in cement concrete 1:2:4 ( 1 cement: 2 coarse sand : 4 graded stone ballast 20 mm nominal size)