Kerala Water Authority Tender

50.18.7.6.1:Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 50 mm dia 10 Kfg/cm - Internal work- Exposed on wall

13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

18.17.2:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :32 mm nominal bore

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

WATER FILTERATION UNIT

OD173400/2023-2024:Supply and Installation of Water filter 1354 iron removal filter and Carbon with Dosing Pump having the following specification. such as FILTRATION VESSEL • Model 1354 x 2 Vessels • Category Structural Poly glass Vessel • System filtration capacity 1500-2000 Ltr per day Max / Vessel • Filtration technology Slow/ pressure sand filtration • Minimum burst at 600 psi • Unmatched for strength and chemical resistance • Tested to 250,000 cycles without leakage • Vessels tested and certified by the Water Quality Association (WQA) to NSF/ANSI Std. 44 for material safety and structural integrity requirements and Std. 372 for low lead compliance. FILTRATION MEDIA • Base media Silex • Separation media Course siles/ sand • Filtration media Fine sand – high silica • Iron removal media DMI-65 • Absorption media Activated Carbon IV-1050 Grade MULTI PORT VALVES • Inlet / outlet 1 inch • Mode Filter, Rinse, Backwash • Colour Black • Operation Semi-Automatic DOSING PUMP • Dosing Rate 1.5; 3.0; 6.0 & 10.0 Lph @ 4 Kg/Cm2 • Power consumption 30 Watts • SPM Up to 400 spm • Suction Tubing 4/6 mm • Voltage 230 V AC

SUMP TANK AND AUTOMATED ELCTRIC SYSTEM

OD173402/2023-2024:Supply and Installation of 1000L DOUBLE LAYER UNDERGROUND WATER TANK SUMPS having the following specifications such as • Brand Sintex • Diameter 1200 mm • Manhole Size 400 mm • Double Layer, Easy to Install, Lightweight • Easy to Transport. • Impermeable to Roots of Trees • Durable & Economical.

OD173403/2023-2024:Supply and Installation of .5 HP MOTOR having the following specifications such as • Brand V-Guard • Model Name O.5 HP NEON WSH-100 WONDER SUCTION • Type Centrifugal • Usage Type Domestic • Color Yellow, Black • Body Material Aluminium • Applications lawn and garden, buildings, hospitals, hotels, highrise buildings • Adjustable Speed No • Battery Backup No • Flow Rate 23.3 Lpm • Total Head 30 m • Inlet Size 12.5 mm • Outlet Size 12.5 mm

OD173404/2023-2024:Supply and Installation of AUTOMATIC FLOAT SWITCH having the following specifications such as • Manufacturer Sinicon Controls • Item model number System 1A • Fully Automatic Water Level & Pump Control System • The system consists of one Switch mate & one Water switch with 2M Cable • Easy installation. Fit and forget type - No routine maintenance required. • Voltage 115-270V, Direct Load 1HP, IP40

OD173405/2023-2024: Supply and Installation of 2x1.5 sq.mm + 1x1.5 sq.mm earth wire derived from DSR Electrical 1.14.1

OD209205/2023-2024:Supply and laying medium gauge PVC conduit of the following sizes conforming to IS 9537/1983 Part III in roof slab, jointing the pipes with PVC solvent cement, tying & fixing the conduit firmly with the re-inforcement etc. as required. 25 mm. Derived from DAR Electrical 90.1.1.2