Erection of lightning protection system with sky netting at premises of main substation and rest house of topa project under kuju area.

Provision of earth ring conductor of lightning protection system for tps and hangars of vajrakosh

A) maintenance of 11 kv/3.3 kv/440 v ohl for period of 01 year at topa project under kuju area.b) illumination at excavation and enm workshop, settling tank pump station with aerial bunch cable, sky netting arrangements at topa project kuju area.

Earthing system materials,heavy duty conventional lightning arrester,down conductor,16 sq mm multi strand single core pvc insulated copper cable,35 sq mm multi strand single core pvc insulated copper cable,combined type 1 plus 2 spd,ethernet surge protector,online earth resistance monitoring system,lightning strike counter,installation integration testing commissioning and documentation of all earthing lps and surge protection in grid or mesh

Sitc of 250kva capacity continuous loading outdoor copper wound transformer,provisioning steel tubular pole,erection of steel tubular,brick work with common burnt clay,pdg 15 mm cement plaster,supplying and installaton m.s. cable trays,earthing with g.i. earth plate,providing and fixing g.i. pipe,providing and fixing g.i. strip,supplying and erection of 11 kv triple pole,supplying and erection of two lengths of channel iron,supplying and erection of 11 kv pin insulator,supplying and erection of 11 kv disc insulator,supplying and erection of lightning arrestor,pdg and fixing abc cable,pdg and fixing aluminium ht cables,pdg and fixing shrinkable ht cable,supply of following aluminium conductor armoured cable,supply gland and aluminium lugs,laying of one number xlpe power cable,in the existing masonry,on surface,on cable tray,pdg and fixing fencing,supply fixing fire extinguisher,pdg 6mtr length b class gi pipe pole,erection of metallic pole

Erection of earth pit and lightning conductor with sky net protection by copper wire at different substation of composite colony of topa ocp under kuju area.

Installation and erection of sky netting with proper lightning conductor with earth pit arrangements at mines substation of karma project under kuju area.

Re-wiring of shiv mandir located at topa composite colony of topa ocp under kuju area

Providing and fixing of rubber mat for topa main substation and colony substation at topa ocp under kuju area.

Re-wiring of samudaiyak bhawan of composite colony of topa ocp under kuju area.