IMPLEMENTATION OF LIGHTNING PROTECTION SYSTEM AT TRICHY AFS

TENDER NO: CRFQ NO.

Subject: TENDER ENQUIRY – IMPLEMENTATION OF LIGHTNING PROTECTION SYSTEM AS PER

OISD 180 AT BPCL TRICHY AFS.

Total GST in Total

amount Rs. amount

S.N. Description Unit in Rs. incl. of

Supply, installation & commissioning of 8 mm dia

aluminum round conductor for air termination

network at parapet wall, Making mesh and Down

Supply, installation & commissioning of 8 mm dia

aluminum round conductor for making mesh &

2 air termination network at terrace levels, to be RM

installed on wall / parapet, with suitable type of

clamps, hardware etc. as required.

Supply, installation & commissioning of

stainless-steel Type roof / mesh Conductor

holder for holding of 8 mm round conductor. The

3 minimum height of the metal conductor holder Nos.

should be 65 mm. The clear height between roof

and conductor should be 65mm and installed at

Supply, installation & commissioning of Straight-

Connector for making straight joint of 8 mm

4 aluminum Conductor to 8 mm dia aluminum Nos.

conductor on parapet wall, roof and vertical

facade of masonry / glass / metallic work.

Supply, installation & commissioning of T -

Connector for making Tee joint of 8 mm

5 aluminum Conductor to 8 mm dia aluminum Nos.

conductor on parapet wall, roof and vertical

facade of masonry / glass / metallic work.

Supply, installation & commissioning of X-

Connector for making Cross joint of 8 mm

aluminum Conductor to 8 mm dia aluminum

conductor on wall, roof and vertical parapet

Total GST in Total

amount Rs. amount

S.N. Description Unit in Rs. incl. of

facade of masonry / glass / metallic work.

Supply, installation & commissioning of fixed

type conductor holder with I-Beam fixture that

provides bonding of mesh conductors on the

Supply, installation & commissioning conductor

8 for bonding of mesh termination to the metallic Nos.

Supply, installation & commissioning of

Expansion piece of made of 8mm aluminum at

every 20 mtr to maintain the flexibility to the

conductor due to heat.

Supply, installation & commissioning of Lightning

Strike counter Model: 1 6D for counting the

number of lightning strikes without any power

10 supply. The Counter should be mounted on the Nos.

Down Conductor. The Lightning Counter should

be IP65 rated enclosure suitable for external

Supply, installation & commissioning of Type

Class II tested, Three Phase Surge Devices as

per IEC Protection 62305-4 and tested 61643 –

11, according to IEC DIN Rail mountable with

Maximum Continuous Operating of 320 V and

Voltage. Voltage Protection Level of 1.3 kV (L-

N). Response Time should be less than 25 ns

per pole and less than 100ns between neutral to

protective earth. The maximum impulse

discharge surge currents should be 40 kA (8/20

µs) per pole and 60 kA (8/20 µs) neutral to

protective earth. The surge protection devices

shall be enclosed in polycarbonate enclosure of

Terms & conditions:

1. BPCL reserves the right to accept or reject any or all offers received or withdraw these

tender inquiries without assigning any reasons whatsoever.

“I/WE HAVE READ THE TERMS & CONDITIONS OF THIS TENDER AND THE SAME ARE

ACCEPTABLE TO ME/US”.

SIGNATURE OF THE TENDERER WITH STAMP & DATE: