RENOVATION OF EMULSIFIRE SYSTEM AND HYDRENT PIPE LINE INSTALLED AT 220 KV S/S HARAHUA, VARANASI

Amount

Following works and supply are to be carried out at 220KV S/S, Harahua, Varanasi.

Supply, installation, testing and commissioning of M.S black pipe “B” class (IS:1237) and header, make TATA or Jindal including cutting, welding etc. and providing suitable flanges along with necessary fitting viz bends, tees, reducers, gasket Nuts & Bolts etc. for satisfactory completion of job.

8'' (200mm)dia

6'' (150mm)dia

4''(100mm) dia

3.2''(80mm)dia header (10 nos.)

Excavation of pillar pit (size 3'x3'x2'=0.486 m3) including all earth works with backfilling & leveling etc. (Qty= 120 Nosx0.486= 58.32M3)

RCC works for making support Pillar(Column) stand with base apart every 3.0m with branded cement, approved coarse sand (F.M. 1.8 to 2.5) and 2 cm gauge hard stone ballast like granite, quartzite etc. from Dalla, Jhansi or other quarries in portion concrete M20 grade (1:2:4) (Cement: Sand: coarse) and fixing MS Iron T shape channel inside 1' from the top of pillar for support of different size hydrent pipe line running above gravel / ground level in the switch yard and including casting of pillar, curing, cutting of renforcement bar , bending & binding the same with winding wire, including cost of all other materials labour and T&P etc. excluding supply of reinforcement bars and T shape channel.

Cement concrete 6' Pillar size ( 1'x9''x6') + Base size (2.5'x2.5'x0.5')=0.1215+0.0844=0.2059m3x30Nos=6.177m3

Cement concrete 4' Pillar size ( 1'x9''x4')+ Base size (2.5'x2.5'x0.5')=0.081+0.0844=0.1654x50Nos=8.27m3

Cement concrete 3' Pillar size (1'x9''x3')+Base size(2.5'X2.5'X0.5')=0.6075+0.084=0.14515X30Nos= 0.14515m3

Cement concrete 2' Pillar size (1'x9''x2')+Base size (2.5'x2.5'x0.5')=0.0405+0.0844=0.1249x10Nos=1.249m3

Supply of renforcement bars make TATA TISCON or Jindal

8mm dia renforcement bar (each length nearly 40')

12 mm dia renforcement bar (each length nearly 40')

Supply and Fabricate T support stand (size 1.5'x1.0') with MS iron U sape channel (100x50mm std) and make holes for tightening of different size emulsifier pipe and supply suitable clamps with nuts & bolts.

Spray painting of gate valve/foot valve and T stands (from black color) & its pipes (from red colour) upto plinth level with one coat of red oxide primer & two coat of red and black color synthetic enamel paint of 1st class quality make Assian/Berger/ Nerolac, after cleaning of rust & dust.

8'' (200mm) dia pipe

6''(150mm) dia pipe

4''(100mm)dia pipe

3.2'' (80mm)dia pipe

T Support stand.

Supply, installation, testing and commissioning of following accessories with all men & necessary materials required for the job.

8'' (200mm)dia gate valve.

6''(150mm) dia gate valve.

Supply and complete installation works of fire hose boxes with paints, 63mm dia GM hydrants with hose pipe, (15m long) complete set with nozel, and grouting with cement concrete (1:2:4).

Replacement of mal functioned/worn-out pressure switches with supply, installation and test & commissioning of new fixed differential switch (Danfoss/Indfoss Make) type pressure switch range 1-10 Kg./Cm.² as per sample.

Installation /Replacement of mal functioned/old pressure gauge with new pressure gauge as per I.S specification I.S. Code-3624 accuracy + 5% as per sample.

Miscellaneous works and items like dismantling of old pipe line hydrent system and related accessories with shifting and stacking as per instruction of JE and other works not included in the above work that may be necessary for completion of all works.

Gupta Elect and Engg Works

Perfect Power Transformer Associates