GENERAL Providing lightning protection Academic block 1 2 Ladies hostel Nila kabhani staff hostel in govt Engineering college Idukki Providing lightning protection Academic block 1 2 Ladies hostel Nila kabhani staff hostel in govt Engineer

Amount

Lightning Protection

OD118417/2025-2026:Supply and installation of 8 mm diameter Aluminum Round Conductor in the existing conductor holder complete as specified in drawing & Meets the requirements of DIN EN 50164-2 (VDE 0185 part 202) & VDE 0185-305 (IS/IEC 62305-3) (Horizontal run)

OD118405/2025-2026:Supply and installation of Roof conductor holder for parapet ( Polyamide Conductor holder) With M8 female thread or diameter 7mm, M8 Screw to connect the conductor holder With base Weather and temperature resistant from -35 to +90 degree Celsius tested.

OD118408/2025-2026:Supply and installation of Roof conductor holder for sheet, bottom section & conductor holder made of stainless steel (V2A) with Ø 8.5 mm slot at bottom

OD118411/2025-2026:Supply and installation of 4 meter aluminium vertical air terminal rod with all accessories conforming to IS/IEC -62305 part-3 and DIN EN 50164-2 (VDE 0815 part 202). (16mm rod tapered to 10 mm) . Air terminal shall be semi-hard and (E- AlMgSiO5 corresponds to DIN 48801) Suitable for high wind load.

OD118409/2025-2026:Supply and installation of Fang Fix with base and clamp for mounting air terminal rod. Fang fix clamp is made of Stainless Steel and lightning tested for 100 kA 10/350 micro sec waveform.

OD118410/2025-2026:Supply and fixing concrete , frost resistant , high stability 16 KG stone of 365 mm diameter for mounting interception rod using anchors.

OD118414/2025-2026:Supply and fixing Polyamide roof cable holder for flat roof .

OD118421/2025-2026:Supply and providing loctite glue for fixing terrace holder.

OD118415/2025-2026:Supply and fixing of expansion piece for equalizing temperature related length changes. (Necessary on conductors length over 20 meters.) For round conductor Rd 8/ALU

OD118423/2025-2026:Supply and fixing of cross universal connector made of hot dipped galvanized iron with necessary screws and 4 hexagonal bolts (M8*25 with M8) and hexagonal nuts . (For T and cross connection to route vertical down conductor /mesh formation)

OD118420/2025-2026:Supply and fixing of T cross and parallel connector made of hot dipped galvanized iron with necessary hexagonal bolts (M10x30) 2nos/expansion piece.

OD118424/2025-2026:Supply and fixing clamping shoe made up of hot dip galvanized iron to connect 8mm air terminal with metal structure.

OD118407/2025-2026:Supply and installation of Test Joint suitable to connect 8mm round conductor or 30x3 mm GI strip as specified in drawing directed by Engineer in charge with Suitable Enclosure.

OD118422/2025-2026:Supply and fixing Spacer clip for flat conductor, with polyamide base ,necessary bolts (M6 x 16) and over-piece from hot-dip galvanized steel.

OD118427/2025-2026:Supplying and laying of 30 mm X 3 mm galvanized steel strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of steel nut bolt & spring washer spaced at 50mm). Flat conductor shall be of Hot Dipped, Cross sectional area is 90mm square , Zinc coating 500 g/m square (Approx. :70 micron coating) Should be tested and used exclusively for lightning protection earthing system and ring equipotential bonding.

14.4:Excavation for cable trenches in soft soil, depth upto 1.2 m including dressing of sides lift upto 1.5 m, including getting out the excavated soil, refilling with sand and or good soil after laying of cable/ pipe etc in layers of 20 cm, ramming, watering and disposal of surplus excavated soil as directed, within a lead of 50 metres.

OD118416/2025-2026:Supply and providing Cross connector for Flat: Suitable for 30mm Galvanised steel strip. Installed with 4 nos of hexagonal plate.

OD118425/2025-2026:Supply and providing of Plastic Corrosion Protection strip: Approx. 1.1 mm thick. Width 50mm. and 10 meter length Made of petrolatum-coated chemical fibre fabric.

OD118426/2025-2026:Earthing with CPRI tested maintenance free, low carbon, 250 Micron copper-coated 3 meters (1mtrx3Nos),20 mm Dia, earth rod with peg and bore arrangement.

OD118412/2025-2026:Supply and installation of hot dip galvanized Impact point.

OD118413/2025-2026:Supply and installation of Earth conductivity enhancing mineral compound tested as per IEC 62561-7,TCLP tested.

OD118419/2025-2026:Supply and installation of Universal clamp made of SS to connect rod with flat conductor.

OD118418/2025-2026:Supply and installation of Polypropylene and Polyethylene (UFE) earth electrode inspection chamber with a heavy-duty cover. The dimension shall be 300mmx 300mmx 300mm with a weight-bearing capacity of 5KN.

OD118406/2025-2026:Supply installation testing and commissioning of Class B Type Surge protection device conforming to IEC 62305-3,61312-1 and other relevant standards.( MCD 50 B OS-3 Nos, MCD 125 -B/NPE- 1 Nos ) For Three-phase protection at the Main Panel. Make OBO Betterman (MCD 50B OS-3 Nos, MCD 125-B/NPE-1Nos) or equivalent

ELCON ELECTRICALS (BID ID -2341342)

Kittu Electricals private limited (BID ID -2338783)

M P SUBASH (BID ID -2341646)

M Y ASSOCIATES (BID ID -2338633)

Biju E.M (BID ID -2339559)

Bidder Name

Biju E.M

Kittu Electricals private limited

M Y ASSOCIATES

M P SUBASH

ELCON ELECTRICALS

DSK ELECTRIC POWER