As we are discussing the process of civil work it is felt that a few working Tips are made available to the new comers in the construction field. While in the engineering college/ technical Institute we receive more theoretical information than practical one. Every civil engineer should know that there is book called schedule of Rates and Analysis of rates. These books are published by CPWD ( central Public works department), a Government wing who executes all the civil works of Government. There are state PWD for each state. CPWD publishes above mentioned book in every five years after updating their data.
The book popularly known as DSR 2002 , DSR
2007 and recently DSR 2012. Every civil engineer who begins job life should have this book as their reference for all jobs of civil engineering .Description of activities ,rates , grouping of activities ,tendering etc will give quite information which will not available in college books.
Some of the public sector undertaking also have their own schedule of rates depending upon their
field of specialisation. Like that i have come across schedules of BHEL , NTPC and IOC. Their may be other companies also. These shedules regularly gets updated according to feed back and published /attached with the tender.
Every construction work should aware of the IS ( Indian standard ) code or BS or DIN whatever being followed during engineering. You ought know the IS codes of your area and any dispute you can safely fall back to codes for technical solution. As we know the colleges seldom takes class on codes or on schedule of rates but these are the books which helps construction all the way.
The above two pictures are for general information not specific for the writings . One picture shows that how a Power house building looks like structurely. Number piling machines are visible in the picture. Other pictures shows the completed foundation of steam generation.
Now we will come back to yesterdays discussion about Geo technical Investigation.
S.NO FACILITY NO OF BOREHOLES DEPTH(m)
1 TG 8 As per Design requirement
2 A - ROW 8
3 B - ROW 8
4 C-ROW 8
5 TRANSFORMER YARD 5
6 BOILER, PA/FD FANS 8
7 MILLS 10
8 ESP & ESP CONT ROOM 14
9 ID FANS 4
10 CHIMNEY 4
11 AWPH, ASPH 4
12 COOLING TOWERS 12
13 FW TANKS, FWPH,SWGR 2
14 CWPH, CW DUCTS, CT SWGR 10
15 SWITCH YARD, CONTROL BLDG,SUBSTATION 10
16 CHP (TPs, TRACKHOPPER, CONVEYORS ETC.), WAGON TIPPLER 25
17 WTP FACILITIES 5
18 RAW WATER RESERVOIR 10
19 AWR FACILITIES 3
20 FO TANKS, FOPH 3
21 ASH SILOS 3
22 MISC FACILITIES LIKE BUILDINGS H2 PLANT 5
23 ASH DYKE 25
24 ASH PIPE CORRIDOR 10
25 CULVERTS AND RCC BRIDGES 10
26 MISC AREA 10
The areas indicated are the places required in a thermal power plant misc area covered are boundary wall , gates , few aux. building etc. The number of bore hole indicated are approximate and done in one
project but may vary depending on designers requirement.Depth of pile varies place to place and utility wise. It is generally 25 to 30 mts in Plant area and lesser length in aux area like ash pond , pipe rack , cable rack foundation. Mostly increases in the area of chimney and cooling tower.
tomorrow we will discuss about field test
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