mech layout.ppt

8/10/2019 Mech Layout.ppt

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Date: 15 December 2014L&T - Sargent & LundyLimited

GET/DET Training Program


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REVISIONHISTORY

Rev. No. Revised By Revision Description Revision Date

R0 S R Babu First Issue 9/8/05

R1 Rajesh Nema Second Issue 11/9/06


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Power Plant Layout - Introduction

Plot Plan

Site Grading Plan

Plant Roads and Drains

Equipment General Arrangements (Eqp. GAs) Hazard Area Classification Drawing

Above Ground Piping Composite Drawings

Under Ground Piping Composite Drawings

Cable Tray/Duct/Trench Layout


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Power Plant Layout - Input

Acquired Land (Vicinity Plan)

Contour Survey Map

Plant Table Survey Map Soil Survey Report

Power Evacuation Location

Water Availability

Fuel Linkage Effluent Disposal Point


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Power Plant Layout - Input (Cont..)

Meteorological Data

Process Data

Utility Data

Statutory Requirements

Non Plant Facilities

Constructability Aspects

Expansion Philosophy


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Acquired Land (Vicinity Plan)

Overall Plot Boundary with access roads

True North

Plant Coordinates


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Contour Survey Map

Plot Levels with respect to mean sea level (every 5 to 10 m

grids)

Plot Topography

Bench Marks


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Plant Table Survey Map

Overall Plot area indicating existing constraints like

transmission line, structures, ponds, place of worships etc.


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Soil Survey Report

Load bearing capacity

Soil resistivity


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Meteorological Data

Minimum, maximum and normal temperature

Rainfall

Intensity and direction of wind

seismic zone

Wet and dry bulb temperatures

Flood level


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Process Data

Size/capacity of the unit

Indoor / outdoor location

Overall operating philosophy

Fuel/Water storage philosophy


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Utility Data

Source and supply of Raw water

Water quality

Water consumption

Fuel requirement and fuel analysis


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Statutory Requirement

Central / state Pollution control boards

Factory Inspectorate

Chief Control of explosive (CCOF)

Tariff Advisory Committee (TAC)

Aviation Laws

Chief Inspector of Boilers (CIB)

Ministry of Environment and Forest (MoEF)


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Plot Plan Development

Plant North and True north

Establish the N-S and E-W grids

Green Belt

Wind Rose Locate the structures and facilities

Main power block

CW pump house

Cooling Towers & CW Piping

Fuel Oil Area & Coal Handling Plant

Water treatment building

Non Plant Buildings

CONTD...


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Plot Plan Development (Cont)

Locate the structures and facilities (Cont)

Non Plant Buildings

CW pump house

Construction lay-down areas

Parking lots

Construction facilities

Ware house

Space for equipment maintenance


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Locate the structures and facilities (Cont)

Identify the piping and electrical duct runs

Roads and Tracks for both permanent facilitiesand construction period

Identify the plant security (fence, gates, guard

house

Identify the drainage and run off basins


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Finalise the site grade level

Evaluate the for Potential Flooding (if the plant is

located near to sea or river)

Elevations referenced to both MSL and plant

datum to be identified

Plant Finished floor

Plant Grade Level


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Plot Plan Development - Drawing

Title Block

Plant North

Wind Rose

Plant Grids Graphical scale

Item list

General Notes

Reference Drawings Legends


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LAYOUTS FOR OIL INSTALLATIONS

Based on OISD-STD-118 Rev 1

Class A Petroleum : Liquids which have

flash point below 23 deg C

Class B Petroleum : Liquids which have

flash point of 23 deg C and above but below

65 deg C

Class C Petroleum : Liquids which have

flash point of 65 deg C and above but below

93 deg C


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LAYOUTS FOR OIL INSTALLATIONS


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Plant Arrangements- Power Block

Identify the major plant levels (Ground floor,

mezzanine, main operating floor)

Plant North and True north direction

Graphical scale Identify the column rows lines with dimension

Vertical bracing lines to be identified

Identify the all equipment and space for future

equipment (if any)

Identify the maintenance and dismantling

requirements


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Plant Arrangements- Power Block(cont...)

Identify the nearest facilities

Identify the HAVC requirements

Identify the Turbine room crane travel limits to

cater all equipment

Identify the access to turbine carne control

cabinet

Identify the noise generating equipment and their

placement

Identify the Turbine generator foundation

Identify the main steam, reheat and low pressure

steam piping

Reserve the space for CW piping

Reserve the area for turbine gland steam and

lube oil piping


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Plant Arrangements- Power Block(contd.)

General access galleries stairways and doors per

local codes

Permanent Elevators and construction elevators(

if any)

Identify the mat foundation and individual footing

foundation

Identify the control room, electrical equipment

room, UPS room

Identify the Toilets, locker room, office area

Control room of HAVC equipment

Generator bus duct and potential transformer

cubicles

Reserve the area for the cable tray

Oil and Process water draina e


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GT AREA LAYOUTSalalah Power System Privatization Project


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DYKE AREASalalah Power System Privatization Project


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FUEL OIL PUMP HOUSESalalah Power System Privatization Project


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COOLING TOWER AREAHaldia CCPP


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CW PUMP HOUSEHaldia CCPP


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DEARATOR AREAHaldia CCPP


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STATION BUILDINGHaldia CCPP


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mech layout.ppt

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