Scope of Work :
1.1 The scope of work shall include the following services :
a. Site visit to conduct preliminary route survey of the 33kV Overhead line route and Outdoor substation area and tentative pole spotting along the route.
b. Detail contour survey of the overhead line route and Outdoor substation yards.
c. Preparation of design basis report (electrical, civil & structural).
d. Single line diagrams of Substations and OHL.
e. OHL route layout plan & elevation drawing from Plant boundary to Booster Pump house area and from Booster Pump house Substation to Mines Substation.
f. Electrical layout plan & elevation drawings.
g. Outdoor Cable route layout plan & section drawings including laying arrangements at Road / Rail / River / Nala crossings along the OHL route starting from NTPC Plant boundary.
h. Earthing layout drawings and earthing calculation.
i. Lightning protection layout drawings and calculation.
j. Illumination layout and calculation.
k. Electrical design calculations.
l. Sag & tension calculation for 33kV OHL conductor.
m. 33kV Cable sizing calculations.
n. ACSR Conductor sizing calculation.
o. OHL pole and cross arm/bracket structural arrangement drawings and design calculations.
p. OHL cross arm/bracket shop sketches/drawings.
q. Outdoor equipment support structures and gantry tower / beam structural GA drawings and design calculations.
r. Shop sketches/drawings of outdoor equipment support structures and gantry tower / beam.
t. Civil constructional drawings and design calculations for Outdoor Substations and OHL.
u. Overall BOQ of electrical, civil & structural works of the 33kV Outdoor Substations and OHL.
v. Preparation of purchase specifications for Outdoor Substations and OHL.
w. Assist in bid evaluation and vendor selection.
x. Vendor drawings review and approval.
y. As built drawing preparation.
z. Attending online and physical meetings with NTPC and your engineers, if required.
1.2 Apart from above, our scope shall also include the following services on per man day rate basis :
a. Site visits, as required to provide technical clarifications to NTPC for obtaining drawing approvals.
b. Attending FAT on major equipment at manufacturer’s works.
1.3 Site visit to conduct preliminary route survey of 2 nos. 33kV S/C Overhead Line Route (25km) along the Ash slurry pipe line and Preparation of Pole spotting drawing from Plant boundary to Booster pump house S/S and from Booster pump house S/S to Mines area S/S.
1.4 Detail Survey of 2 nos. 33kV S/C Overhead Line Route (25km) along the Ash slurry pipe line and Preparation of Pole spotting drawing from Plant boundary to Booster pump house S/S and from Booster pump house S/S to Mines area S/S.
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