Roof Leakages & Water Dropping Product Lab Building No.3

Work Description Qty. Unit Amount

Scope involves the systematic de-

commissioning, temporary removal, and re-

installation (Surface Preparation, Placement as

per approved layout & Securing with necessary

hardware as per the existing) of existing solar

PV modules on a rooftop. This includes all

necessary handling, electrical isolation, and

testing as directed by the Engineer In-charge.

Conduct a pre-work site inspection, Implement

mandatory safety protocols, Ensure all strings

are electrically isolated are also in the scope of

Repairing holes by using best industrial practice

(Clean, Patch, Bond & Cover) in PPGI existing

roofing sheets requires materials that can handle

thermal expansion and UV exposure by using as

1. Bituminous / Butyl Waterproofing Tape

(Make- Dr. Fixit, Fosroc, 3M and Sika)

2. Chemical Adhesive / PU Sealant (Make -Sika

or Fosroc, Mappee, Keracol)

3. Screw Caps with EPDM Washers (Make -

Buildex or Corroshiled)

4. Epoxy Putty (Make - M-Seal or Pidilite)

Application of material is as per the

manufacturer specification and approved by EIC.

Supply and fixing in position approved make

smp colour coated 0.58 mm (TCT) Zinc/

Aluminium alloy (zincalume/ Galvalume) colour

coated screw down metal roof sheeting as per

below given specification. (Payment shall be

made on only laid area no wastage and overlap

Finish on the weather face of wall/ Roof panels

and related components shall be minimum of

150 gms/ SQM Aluminium / Zinc alloy coating

3 mass. Paining system shall be 20 micron of SDP 500 SMT.

on top surface over 5 micron primer an

micron backing coat including 5 micron primer

Base material of colour coated galvanized or

galvalume substrate steel panel shall have

minimum yield strength of 345 MPA and will

confirm to the physical specification of ASTM A-

792 or equivalent. The Alum. / Zinc Alloy coating

shall confirm to ASTM A-792-AZ 150 (150 g. M2)

Providing and installation of FRP (Fiberglass

Reinforced Plastic) solar roof platforms and

Work Description Qty. Unit Amount

Walkways of grating thickness 25 mm, mesh

size 50 X 50 mm and size of panel 4000 mm X

300 mm of standard colour with necessary fixing

arrangement as instructed by EIC

A buyback of removed structure material PPGI,

GI Roofing and cladding sheet, Buyback

Quantities will be finalized based on actual

tonnages with necessary proff. and joint witness

from the both parties. Scope includes loading,

unloading and transportation and weighment of

structure material all complete as instructed by

 Solar Generation loss in execution of above activity is not part of vendor account.

 If the Solar Panel is damaged due to Removal & Refaxing than the vendor will

provide of same specification and aged

 DLP for this job is 24 months from the date of handover

 Work period for this job is 30 day from the date of LOI/ FOA/ PO

Bidder’s Sign and Stamp