Electrical Room Doors And Other Civil Requirements

Contents

1.

Standard requirements for doors

2.

Model doors finalized for sonadih

3.

Photos of doors from other plants

4.

Civil requirements for substation cable cellar room

5.

Cable Cut out requirements

6.

Anti panic bar details

1. Standards requirement for doors- General

2. Standards requirement for doors– Specific Electrical

Extract from Indian Electricity rules – 1956 amended up to 2000. Hence only metal doors of fire rating – 2 hours are accepted. The same is as per NFPA 70 E new fire guidelines of Lafarge

2. Model doors finalized for Sonadih

Specific other requirements

Recommendation – The same should be followed for Jojobera

2. Model doors finalized for Sonadih – Main entrance

Photo – old Now anti panic bar fixed and swing outwards

Model – D7 Approved for main entrance for sonadih – Same recommended

2. Model doors finalized for Sonadih – Equipment entrance

Model – D8a Approved for equipment entrance sonadih – Same recommended

2. Model doors finalized for Sonadih – Dist Transformer

Transformer room door with a small door for inspection and interlocking – Height to be adjusted according to approved heights- same recommended

3. Photos of doors – from other plants

Cellar Room door

Equipment Entrance door

Here all the doors are wooden only metallic doors of 2 hour fire rating are accepted

Main Entrance door

4. Civil Requirements for cable cellar rooms

Cable cellar with supports where cellar height is >2 meter beam bottom Advantage – Panel alignment does not depend on civil finishing

5. Cable cut out requirements

Cut out extension job – to ensure min 250 mm gap Requirement – Cut out details should be correctly assessed

5. Anti panic bar details

Anti panic bar Inspection on 13.10.2008 at Kolkata – and accepted for Both sonadih and mejia projects

Anti panic bar Inspection on 13.10.2008 at Kolkata 1.

One no anti panic bar is brought for inspection at Kolkata.

2.

The anti panic bar is of Godrej make which is a reputed concern.

3.

The anti-panic bar is also fire rated – 1.5 hour .

4.

Party will submit the type test report & equipment wise test report.

5.

With conditions 3 & 4 the anti panic bar is approved. Some photographs are attached in next slides

Anti panic bar Inspection on 13.10.2008 at Kolkata

Make Godrej – a reputed concern

Name plate

Anti panic bar Inspection on 13.10.2008 at Kolkata

Panic bar – Back side Panic bar – Front side

Anti panic bar Inspection on 13.10.2008 at Kolkata

Panic bar – not actuated condition

Panic bar – actuated condition