Modification of Electrical LT and HT lines and supply arrangements in connection with WR-BPQ 4th line work of NGP Division C.Rly

A-Schedule for LT /HT crossing Kalamb YTL section

S E T C of earthing with GI electrode of following size complete with RCC chamber and cover. As per ISS 3043. (S+E)

Foundation in cement concrete for erection of Poles 1:3:6 Ratio for Pole Foundation.

S E of GI pipe 75/80 mm dia (medium/B class) (S+E)

Dismantling of overhead lines HT 33/11 KV & LT 3 ph, 4 wire Compl. with poles, hardware etc. and transporting to concerned depot.

Erection of 11/33kv Pin insulator (70KN)

Erection of barbared wire on 11/33KV HT pole

Inspection by Electrical inspector and preparation of Design, drawing for each 24 modification of LT/HTOH and underground cable crossings (pertaining to Railway or state supply authority) and submission to Electrical Inspector and obtain approval and sanction for execution of the work at contractors own cost.

Supply & stringing of AAC(GNAT) conductor for overhead LT line size 7/2.21 mm as per IS 398 part-1. (S+E)

Supply & sringing of AAC(ANT) conductor for overhead LT line size 7/3.10 mm as per IS 398 part-1. (S+E)

Supply of AAAC conductor

Supply of ACSR conductor.

Stringing & commissioning of AA/AAACconductor 4 wire and complete with MS clamp hardware & painting

Stringing & commissioning of ACSR conductor 3 wire and complete with MS clamphardware & painting.

SETC of 100 KVA ,11KV/440V out door type Transformer with LT box as per IS 33 1180(2014) Level-2 with latest amendments and losses are as per MSEDCL specification approved make) this is including obtaining MSEDCL appproval & inspection before procurement of material as well as electrical inspectors approval & saction before commissioning of transformer.

S.E T & C of 200Amp 11KV LA as per MSEDCL approved list , ISS-3070 (Part-3,1993) (S+E)

Supply of Distribution box with MCCB suitable for DTC with transformer of 100KVA as per MSEDCL Specification & approved list.

ET & C of 200 KVA supply 11kv/440 volt out door type Transformer as per IS 1180(2014) Level-2 with latest amendments and losses are as per MSEDCL approved make) This is including MSEDCL approval & inspection before procuerment.

11kv/22kv/33kv Cable fault detection for HT power underground cable from 95 sq. mm. to 400 sq. mm. by acoustic method by using surge wave tester & surge wave receiver (Duo phone) up to 250 meter length cable with recording results & submission of test reports.

Supply & Erecting GI pipe ''B'' class 150 mm dia with necessary fitting.

Horizontal boring size 6inches dia (150mm) in Railway embankment for connection to both end of thrust pit.

Providing & pushing of HDPE pipe confirming to relevent IS of 6 inch dia and having 6 kgs pressuer in horizontally made bore by push method includinglaying cable inside HDPE pipe.

Erection of 33 kV outdoor type gang operated air break, triple pole switch 400 A 48 capacity with 3 post pin type insulator double stack per phase, mounted in horizontal position with necessary channels on provided cross arm with adequate length of "C" class G.I. pipe for operating handle erected on extended square shaft. The operating handle provided with lock and key at suitable height from ground level with necessary clamp

Item Breakup - A-Schedule for LT /HT crossing Kalamb YTL section