Kasargod Development Package General Hospital Kasaragod New IP block Installation of Lightning arrester General Electrical Work

Amount

lightning protection system

OD88985/2022-2023:Providing and fixing Fully Solid Vertical Air terminals as per IS/IEC -62305 part-3 For 1,2,3, 4 meter air terminal 16mm rod tapered to 10 mm aluminium rod meter rod: For 6, 8 meter 40mm rod tapered to 16mm and then to 10mm Meets the requirement (IS/IEC 62305) Semi-hard (E-AlMgSiO5) Suitable for high wind load. All air terminal must have Interception Tip at the Top of air terminal. System consist of Fang Fix with base and clamp on the top air terminal is erected. Air terminal Joining Clip Stainless Steel SS 304 clamp made of cable bracket, lightning tested for 100 KA 10/350 micro sec waveform. Stainless Steel Wall Clamp/16 KG stone of 365 mm diameter, high level of stability. No of stones/wall clamps depending on wind load. Quick and easy mounting of interception rod using anchors. Concrete, frost-resistant, can be stacked. For 6 & 8 meter air terminal tripod stand/3 nos wall clamp will be required to withstand heavy wind load. Govt approved Indian labs test certificate required. Make: Cape .

OD88986/2022-2023:Providing and laying copper coated steel solid round conductor 10mm diameter from earth electrode directly in ground as required. copper coated steel, high corrosion resistant (if pure copper conductor 25x3mm solid tape also can be used). Meets the requirement of (IS/IEC 62305) copper coating thickness of 100microns Should be tested and use exclusively for lightning protection earthing system and ring equipotential bonding. Make: Cape/ Erico/ Furse

OD88987/2022-2023:Providing and fixing of Cross Connector/T Connector: to route vertical down conductor mesh formation made of stainless steel SS 304/ Aluminium Ferrule grade with necessary screws etc as required. Installed with 4 hexagonal bolts with M8 hexagonal nuts according to (IS/IEC 62305). Make: Cape/ Erico/ Furse

OD88988/2022-2023:"Providing & fixing of 8mm solid aluminium round conductor with necessary holders @ required interval as specified below: Meets the requirement of (IS/IEC 62305) : semi-hard (E-AlMgSiO5 )with 50 sq.mm cross sectional area. Make: Cape/ Erico/ Furse " Down Conductor Polyamide Holder @ every 0.5 meters

OD88989/2022-2023:"Providing & fixing of 8mm solid aluminium round conductor with necessary holders @ required interval as specified below: Meets the requirement of (IS/IEC 62305) : semi-hard (E-AlMgSiO5 )with 50 sq.mm cross sectional area. Make: Cape/ Erico/ Furse " Parapet Polyamide Holder @ every 0.5 meters

OD88990/2022-2023:Providing and fixing of Stainless Steel Test Joint suitable with suitable Outdoor Enclosure: For 8mm dia solid round aluminium conductor & 10mm dia copper coated solid steel round conductor having 100 microns of copper bonding . Conforms to the requirements according to (IS/IEC 62305).The enclosure should be outdoor glass-fibre reinforced polycarbonate opaque having minimum inner dimension of 75mm x 75 mm x 50 mm. The test link has to be straight and needs minimum 4 mounting screws for strong joints. Inspection of bimetallic corrosion at site required. Seperation of 8mm Aluminium & 10mm Copper bonded steel is required for future inspection and contractor has to make sure both conductors should not touch eachg other to avoid bimetallic corrosion. Single bolt joints are not permitted. Govt approved Indian labs test certificate required. Make: Cape .

OD88991/2022-2023:Providing and fixing of maintenance free Earthing system comprises of molecularly bonded copper of 99.9% purity on low carbon steel of min 3 mtr length, having a diameter of 20mm with copper bonding thickness of 250 microns as per UL 467. The Rod has to be either continuous or with self-coupling peg & bore arrangement with fault current withstand capability of 30 KA rms value for 1 second and I peak of 76 KA. The rod must be having corrosion test, peel off test for uniform coating, 180 degree bend test with out peeloff of copper bonding. Exothermic welded Clamp for clamping as suggested as per NBC 2016. Ordinary Stainless steel/Copper alloy universal clamps are not recommended. For self coupling peg & bore arrangement rod needs Impact point on the bottom rod for easy insertion. Earth enhancing mineral compound is used for improving the soil conductivity. The material shall be mineral inert to sub soil and shall not pollute the environment and non corrosive to earth rod. The material should have a resistivity less than 0.2 Ωm. It should be free from hazardous substances. The mineral compound is required to have minimum 25 Kg of the total composite. The compound should be chemically inert and needs to submit Govt approved Indian labs test certificate. Concrete Earth electrode inspection chamber with weight bearing capacity of 50KN. The dimension shall be 320mmx 320mmx 190mm. Govt approved Indian labs test certificate required. Make: Cape .

OD88992/2022-2023:Installation of Exothermic Weld Joints for 10mm round copper bonded steel conductor having 100 microns as per IS/IEC 62305. Each under ground joints has to be wrapped with petrolatum- coated chemical fibre fabric having 1.1mm thick and width 50mm. Govt approved Indian labs test certificate required. Make: Cape / Erico / KLK/Furse

OD88993/2022-2023:Providing and fixing of Plastic Corrosion Protection strip: Approx 1.1 mm thick. Width 50mm. Made of petrolatum- coated chemical fibre fabric. Make: Cape/ Erico/ Furse

OD88994/2022-2023:Supply & fixing Type 1+2 Surge protective device 50kA 3P+N for protection against direct and indirect lightning surges , in existing enclosure and giving connection ( Make :L&T : Cat no. AUSP121PN50)

SURESH.S

POURNAMI

Bidder Name

NEW POWER TECH ENGINEERING

POURNAMI

SURESH.S