REPAIRS /MAINTENANCE OF LIGHTENING CONDUCTOR AND ALLIED WORKS AT PEDONG UNDER GE 867 EWS

Amount

Taking out of old unserviceable Air termination rod of any type and size and keep in safe custody and all as specified and directed.

Supply and fix air terminatiion, single pointed copper rod 12mm dia 300mm long all as specified and directed by Engr -in- Charge.

Taking down old unserviceable GI/Aluminium strip of any type and any size and all as specified and directed.

M&L of aluminium strip 25 x 3.15mm with saddles and fixing screws/mounted on porcelain insulator/laid in trenches for roof conductors and down conductors above ground all as specified and directed by Engr -in-Charge.

Supply and fix of GI strip 32 x 6 mm complete and buried in ground all as specified and as directed by Engr-in-Charge.

Taking out of old unserviceable test point terminal box of of any type and size and all as specified and directed.

M&L test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw all as specified and directed by Engr -in-Charge.

Taking out of old unserviceable GI tubing of 40 mm bore light grade earth protection pipe in trenches etc.

M&L GI tubing light grade 40 mm bore complete with all fittings like flange/clamp/nuts/GI wire & bolts etc on roof top of required length for fixing lightening conductors all as required and directed.

M&L in replacement of earthing strip PVC insulators with one GI stud bolts with nut and washers with necessary drilling for bolts hole for holding/fixing roof conductor/ down conductor of lightening conductor complete all as specified and as directed by Engr-in-Charge.

M&L for taking out old earthing materials like salt/charcoal for which earth value not good and supply and fill new salt/charcoal for obtaining desire earth value complete all as specified and as directed.

M&L in repair/replacement of earthing complete with galvanized steel earth plate electrode 600 x 600 x 6.3 mm buried directly in ground ( earth pit not less than 2.25 m deep below ground level ) with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanised iron strip 25x4mm as earth lead by means of galvanized iron or steel bolts , nuts , check nuts and washers, and connected to equipments as directed , including funnel with GI med grade watering pipe 20 mm bore , wire mesh , charcoal or coke and common salt in alternate layers of 15 cm compacted thickness all around the earth electrode , with concrete pit in PCC (1 : 3 : 6) type C-1 , 50 mm thick pre cast RCC (1 : 2 : 4) type B-1 cover slab reinforced with 8 mm dia deformed bar 15 cm C/C and suitable handle of 10 mm dia round bar ,GI medium grade pipe for earth lead protection including necessary excavation earth work in soft/loose soil and disposal of spoil to a distance n.exc. 50 m and necessary testing complete all as shown on electrical plate No. 3 of MES SSR Part-I and as directed.

Repair and refixing of damaged/tilted air termination rod of any size with nut bolts as per existing connected to GI/Al strip properly all as directed at site.

Repair and refixing straightening and dressing of GI/Al strip with saddles/insulator/connector with screw and making good of disturbed strip all as directed at site.

M&L for checking the existing earth pit value with the help of insulation tester, necessary wire and rod etc and measuring the values in front of MES JE and concerned unit rep and maintaining the earth value register and deposit the register to concerned JE.

Note: In case doubling/duplicancy of BOQ items , the lowest quoted rate shall be applicable for payment.

DEDUCT, AMOUNT OF SCHEDULE OF CREDIT

MANOJ JINDAL

HEM RAJ GURUNG

G K SUTHAR

S K ENTERPRISES

MS BRAHMA CONSTRUCTION

JAYSHREE CONCERN

SANJAY SAW MILL