MAINTENANCE OF 15 NO. FEEDER 11 KV O/H LINE FROM G.T GOPALICHAK, 550V O/H LINE, BOTH COAL DEPOT AND CISF CHECK POST O/H LINE AND DIFFERENT LT O/H LINE UNDER GOPALICHAK COLLIERY OF P.B AREA.

Item Description/ Heading

A) FOR Main 15 no. G.T Feeder 11 KV maintenance -Opening jumper for searching faults & after megguring re-jumpering

Dismantle of jumper for changing of faulty disc

Dismantling of over head lines comprising of Copper/Aluminium over head conductor, G.I wire, cross arms, insulators etc as required (CPWD SOR' 2012, P-40, 12.40)

Supply & erection of 11 KV Disc insulator (CPWD SOR' 2012, P-42, 13.11)

Supply & erection of 11 KV Pin insulator (CPWD SOR' 2012, P - 42, 13.10)

Erection of Conductor of 7/3.35 mm to 7/4.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.22)

Making new jumper with O/H line

Damage & weak jumper repairing with binding wire etc.

Erection of cradle guard with G.I wire

Tree branches and bush cutting/trimming

B) for Store work - Transportation of Dog conductor 1500 mtrs from Regional Store

Transportation of Rabbit conductor (500 + 1000 mtrs in 2 days) from Regional Store (5 Heads + 6 Heads = 11 Heads)

Dismantling of over head lines comprising of Copper/Aluminium over head conductor, G.I wire, cross arms, insulators etc as required (ACSR Wolf Conductor 3200 Meters) (CPWD SOR' 2012, P-40, 12.40)

Transportation of above conductor (2 heads*6 days)

Transportation of wolf conductor from HMP Colliery

Transportation of 185 sq mm cable 60 mtrs from other colliery

Collecting angle from ekra workshop for fabricate bracket and clamps

Dismantle of bracket and clamps from idle pole (CPWD SOR' 2012, P-40, 12.40)

C) FOR 550V O/H line maintenance - Dismantling of over head lines comprising of Copper/Aluminium over head conductor, G.I wire, cross arms, insulators etc as required (CPWD SOR' 2012, P-40, 12.40)

Erection of Conductor of 7/3.35 mm to 7/4.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.22)

D) FOR Coal depot, CISF check post etc (Patch-B) - Fixing and fitting with connection 400 watt flood light on O/H pole

Dismantle of pole (CPWD SOR' 2012, P-40, 12.42)

Transportation of dismantled pole

Fixing and fitting with connection 70/60/50 watt flood light on O/H pole

Laying/Hanging of two nos PVC insulated power cable of 1.1 KV grade of 35 sq mm (CPWD SOR' 2012, P-26, 7.5.1) 30 + 20 = 50 mtrs

Dismantling of over head lines comprising of Copper/Aluminium over head conductor, G.I wire, cross arms, insulators etc as required (CPWD SOR' 2012, P-40, 12.40)

Transportation of pole at site for erection

Erection of metallic pole of 8 to 10 metre length (CPWD SOR' 2012, P-36, 11.3.3)

Fabrication & erection of bracket & clamps

Supply & erection of MS Nut & Bolts

Supplying and erection of Stay set complete (CPWD SOR' 2012, P-41, 13.1)

Supplying and erection of 100 mm X 110 mm shackle insulators (CPWD SOR' 2012, P-39, 12.17)

Erection/Sagging of Conductor 7/2.11 mm to 7/3.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.21)

Making new jumper

Electrical/Mechanical cable joint with switch

Dismantling & taking down faulty 70 watt flood light

E) FOR Coal depot, CISF check post etc (Patch-A) - Laying/Hanging of one no. PVC insulated power cable of 1.1 KV grade of 35 sq mm (CPWD SOR' 2012, P-26, 7.5.1)

Transportation of pole at site for erection

Erection of metallic pole of 8 to 10 metre length (CPWD SOR' 2012, P-36, 11.3.3)

Fixing and fitting of 70/50 watt Flood light on O/H Pole with clamping & connection

F) FOR Different LT O/H line maintenance - (i) Sudamdih Colony LT O/H line - Erection of Conductor of 7/3.35 mm to 7/4.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.22)

Erection/Sagging of Conductor of 7/2.11 mm to 7/3.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.21)

Damage & weak jumper repairing with binding wire etc.

Tree and branches cutting below O/H line

(ii) near main Sub-Station LT O/H line - Transportation of pole at site for erection

Erection of metallic pole of 8 to 10 metre length (CPWD SOR' 2012, P-36, 11.3.3)

(iii) I.N Chandro LT O/H line - Erection/Sagging of Conductor of 7/2.11 mm to 7/3.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.21)

(iv) Rawani Basti LT O/H line - Erection/Sagging of Conductor of 7/2.11 mm to 7/3.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.21)

(v) Durga Mandir LT O/H line - Dismantling of over head lines comprising of Copper/Aluminium over head conductor, G.I wire, cross arms, insulators etc as required (CPWD SOR' 2012, P-40, 12.40)

Erection of Conductor of 7/3.35 mm to 7/4.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.22)

(vi) 2 no. CISF Camp LT line & Sub-Station - Damp switch cleaned with CRC, thiner etc

Dismantling of over head lines comprising of Copper/Aluminium over head conductor, G.I wire, cross arms, insulators etc as required (CPWD SOR' 2012, P-40, 12.40)

Erection/Sagging of Conductor 7/2.11 mm to 7/3.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.21)

Misc work at Sub-Station

Damage & weak jumper repairing with binding wire etc.

(vii) Pasi Dhowrah LT line - Erection/Sagging of Conductor 7/2.11 mm to 7/3.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.21)

(viii) Chanak LT O/H line - Dismantling of over head lines comprising of Copper/Aluminium over head conductor, G.I wire, cross arms, insulators etc as required (CPWD SOR' 2012, P-40, 12.40)

Dismantle of pole (CPWD SOR' 2012, P-40, 12.42)

Transportation of dismantled pole

Transportation of pole at site for erection

Erection of metallic pole of 8 to 10 metre length (CPWD SOR' 2012, P-36, 11.3.3)

Fabrication & erection of bracket & clamps

Supply & erection of MS Nut & Bolts

Supplying and erection of 100 mm X 110 mm shackle insulators (CPWD SOR' 2012, P-39, 12.17)

Erection/Sagging of Conductor of 7/2.11 mm to 7/3.00 mm diameter and above including binding etc (CPWD SOR' 2012, P-39, 12.21)

Total impact of GST for the purpose of CTC