CONTENTS
| CLAUSE NO. | DESCRIPTION | PAGE NO. |
| 1.00.00 | INTRODUCTION | 1 |
| 2.00.00 | CODES AND STANDARDS | 1 |
| 3.00.00 | SCOPE OF CIVIL WORKS | 12 |
| 4.00.00 | MAJOR PLANT STRUCTURES/UTILITIES/ | 13 |
| COMPONENTS | ||
| 5.00.00 | DOCUMENT SUBMISSION | 15 |
| 6.00.00 | LAYOUT | 16 |
| 7.00.00 | WORKMANSHIP | 17 |
| 8.00.00 | TEMPORARY WORK | 17 |
| 9.00.00 | INTERFACE WITH STRUCTURES UNDER OTHER’S SCOPE | 18 |
| 10.00.00 | SEQUENCE OF WORK AND PROGRESS REPORT | 18 |
| ATTACHMENT | ||
| ANNEXURE –I | LIST OF CIVIL FIELD QUALITY ASSURANCE LABORATORY APPARATUS | 19 |
GENERAL
1.00.00 INTRODUCTION
The scope of works covers complete Civil, Structural and architectural Works including supply of all materials, labour, tools and plants as required for successful execution of the Storage Silo
This section lists the Codes and Standards to be adopted and the principal structures of the plant, and briefly describes the basic concept, requirements and features pertinent to each. Documents to be submitted have also been brought out in this section along with the procedure to be followed for the same.
In case of any contradiction between any parts of the Bid Document with the other, requirement of most stringent one shall be applicable.
2.00.00 CODES AND STANDARDS
Following is a general listing of Codes and Standards to be used in the design of the proposed Silo & its ancillary civil jobs. Specific applicable codes and standards will be identified in System Design Descriptions / Technical Specifications as appropriate. The latest editions/ revision of following codes and standards along with addendums/ amendments, if any, shall be followed:
2.01.00 General
- Internationally accepted design Codes and Standards where Indian Codes are not available and which are equivalent to Indian Standards.
- National Building Code of India.
- “Accepted Standards” and “Good Practice” listed in the appendix to National Building Code of India.
- IS-1256 : Code of Practice for Building Byelaws.
2.01.00 Earthwork
- IS-1498          :          Classification and  identification of  soils for
General Engineering purposes.
- IS-3764Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Safety Code for excavation work.
- IS-7293          :          Safety Code  for  working  with  construction
machinery.
- IS-4081Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Safety Code for blasting and related drilling
operation
- Indian Explosives Rule 2008
- IS-9759Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Guidelines for Dewatering during construction.
2.01.01 Concrete
- IS-269Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Ordinary and low heat portland cement.
- IS-383Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Coarse and fine aggregate from natural sources
for concrete.
- IS-432Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Mild Steel and medium tensile steel bars and
hard drawn steel wire for concrete reinforcement.
- IS-455Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Portland Slag Cement.
- IS-456            :          Code of Practice for Plain and  reinforced
concrete.
- IS-460Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Test Sieves (all parts).
- IS-516Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Methods of test for strength of concrete.
- IS-1199Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Methods of sampling and analysis of concrete.
- IS-1566          :          Hard drawn  steel  wire fabric for  concrete
Reinforcement.
- IS-1786Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â High strength deformed steel bars and wires for
concrete reinforcement.
- IS 1489Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Part 1: Specification for Portland pozzolana
cement Part 1 Fly ash based
- IS-1834Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Hot applied sealing compounds for joints in
concrete.
- IS-2386Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Methods of test for aggregates for concrete (all
parts).
- IS-2502Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for bending and fixing of bars
for concrete reinforcement.
- IS-3370Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for concrete structures for
storage of liquids (all parts).
- IS-3414Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for design and installation of joints in buildings.
- IS-4948Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Welded steel wire fabrics for general use.
- IS-7320Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Concrete slump test apparatus.
- IS-7861Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for extreme weather concreting
(all parts).
- IS-8041Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Rapid Hardening Portland Cement.
- IS-8112Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â High strength ordinary Portland Cement.
v) IS-12269 : High strength ordinary Portland Cement.
w) IS-10262 : Recommended guidelines for concrete mix
design.
2.01.02 Foundations
- IS-1904          :          Code   of   practice   for   structural   safety                       of
buildings: Shallow foundations.
- IS-2950Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for design and construction of
raft foundations.
- IS-2974Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for design and construction of
Machine foundations (all parts).
- IS 2911Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for Design and Construction of
Pile Foundation.
2.01.03 Loading
- IS-875Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for design loads for buildings
and structures.
- IRSÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Bridge Rules of Government of India, Ministry of
Railways (Railway Board).
2.01.04 Masonry
- IS-712Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Building limes.
- IS-1077Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Common Burnt Clay Building Bricks.
- IS-1127          :          Recommendations      for     dimensions                       and
workmanship of natural building stones for masonry work.
- IS-1528Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Methods of sampling and physical tests for refractory materials.
- IS-1597Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for construction of stone masonry (all parts).
- IS-2212Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for brickwork.
- IS-2116Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Sand for masonry mortars
- IS-2185Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Concrete masonry units.
(all parts – Hollow and Solid concrete blocks).
- IS-2250Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for preparation and use of masonry mortars.
- IS-2572Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for construction of hollow
concrete block masonry.
- IS-2691Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Burnt clay facing bricks.
- IS-3414Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for design and installation of joints in buildings.
- IS-3495Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Methods of tests of burnt clay building bricks.
- IS-4441          :          Code of practice for  use  of  Silicate  type
chemical resistant mortars.
- IS-4860Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Acid Resistant Bricks.
- IS 13757Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Specification for burnt clay fly ash building bricks
2.01.05 Doors, Windows & Ventilators
- IS-399Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Classification of commercial timbers and their zonal distribution.
- IS-883Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for design of structural timber
in building.
- IS-1003Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Timber paneled and glazed shutters (all parts).
- IS-1038Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Steel doors, windows and ventilators.
- IS-1081Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for fixing and glazing of metal
(steel and aluminium) doors, windows and ventilators.
- IS-1361Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Steel windows for industrial buildings.
- IS-2835Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Transparent sheet glass for glazing and framing
purposes.
- IS-1948Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Aluminium doors windows and ventilators.
- IS-1949Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Aluminium windows for industrial building.
- IS-2191Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Wooden flush door shutters (Cellular and hollow
core type).
- IS-2202Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Wooden flush door shutters (solid core type).
- IS-3103Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for Industrial ventilation.
- IS-3548Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for glazing in buildings.
- IS-3614Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Fire check doors.
- IS-4021Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Timber door, windows and ventilator frames.
- IS-4351Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Steel door frames.
- IS-6248Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Metal rolling shutters and rolling grills.
2.01.06 Roof & Flooring
- IS-2204Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for construction of reinforced
concrete shell roof.
- IS-3201Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Criteria for the design and construction of
precast concrete trusses.
- IS-2210Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Criteria for Design of R.C. shell structures and
folded plates.
- IS-809Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Rubber flooring materials for general purposes.
- IS-1195Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Bitumen mastic for flooring.
- IS-1196Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for laying bitumen mastic
flooring.
- IS-1198          :          Code   of   practice   for   laying,   fixing                       and
maintenance of linoleum floors.
- IS-1237Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Cement concrete flooring tiles.
- IS-1443Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for laying and finishing of
cement concrete flooring tiles.
- IS-2114Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for laying in situ terrazzo floor
finish.
- IS-2571Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for laying in situ cement concrete flooring.
- IS-5491Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for laying in situ granolithic
concrete floor topping.
- IS-5766Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for laying burnt clay brick
flooring.
- IS-1197Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for laying of rubber floors.
- IS-2441Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for fixing ceiling coverings.
2.01.07 Waterproofing
- IS-1322          :          Bitumen felts  for  waterproofing  and  damp
| proofing. | ||
| b) IS-1346 : | Code of practice for waterproofing of roofs with | |
| bitumen felts. | ||
| c) IS-1609 : | Code of practice for laying damp proof | |
| treatment using bituminous felts. | ||
| d) IS-3036 : | Code of practice for laying lime concrete for a | |
| waterproofed roof finish. | ||
| e) IS-3037 : | Bitumen mastic for use in waterproofing of | |
| roofs. | ||
| f) IS-3067 : | Code of practice for general design, details and | |
| preparatory work for damp proofing and water | ||
| proofing of buildings. | ||
| g) IS-3384 : | Bitumen primer for use in water proofing and | |
| damp proofing. | ||
| h) IS-4365 : | Code of practice for application of bitumen mastic for waterproofing of roofs. | |
| 2.01.09 | Membrane Waterproofing | |
| a) ASTMD-1076 : | Solid Content | |
| b) ASTMD-1475 : | Specific Gravity | |
| c) ASTMD-412 : | Elongation | |
| d) ASTMD-2240 : | Hardness | |
| e) ASTMD-822 : | Water vapour transmission resistance | |
| 2.01.10 | Soil Engineering | |
| a) IS-1498 : | Classification and identification of soils for general Engineering purposes. | |
| b) IS-1892 : | Code of practice for sub-surface investigation | |
| for foundations. | ||
| c) IS-2131 : | Method for standard penetration test for soils. | |
| d) IS-2720 : | Methods of test for soils (all parts). | |
| e) IS-10379 : | Field Control of Moisture and compaction of soils for embankment and subgrade. |
2.01.11 Water Supply, Drainage & Sewerage
- IS-404Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Lead pipes
| b) | IS-458 : | Concrete pipes |
| c) | IS-651 : | Salt glazed stoneware pipes and fittings. |
| d) | IS-771 : | Glazed fire-clay sanitary appliances (all parts). |
| e) | IS-774 : | Flushing cisterns for water closets and urinals |
| other than plastic cisterns. | ||
| f) | IS-783 : | Code of practice for laying of concrete pipes. |
| g) | IS-1172 : | Code of basic requirements for water supply, |
| drainage and sanitation. | ||
| h) | IS-1626 : | Asbestos cement building pipes, gutters and fittings (all parts). |
| i) | IS-1742 : | Code of practice for building drainage. |
| j) | IS-2064 : | Code of practice for selection, installation and |
| maintenance of sanitary appliances. | ||
| k) | IS-2065 : | Code of practice for water supply in buildings. |
| l) | IS-2470 : | Code of practice for installation of septic tanks (all parts). |
| m) | IS-3114 : | Code of practice for laying of Cast Iron pipes. |
| n) | IS-4127 : | Code of practice for laying of glazed stoneware |
| pipes. | ||
| o) | IS-12251 : | Code of practice for Drainage of Building |
| Basement. | ||
| p) | IS-1536 : | Centrifugally cast (spun) iron pressure pipes for |
| water, gas and sewage. | ||
| q) | IS-1537 : | Vertically cast iron pressure pipe for water, gas |
| and sewage. | ||
| r) | IS-3486 : | Cast iron spigot and socket drain pipes . |
| s) | IS-5329 : | Code of practice for sanitary pipe work above |
| ground for buildings. | ||
| t) | IS-3076 : | Low density polyethylene pipes for potable |
| water supplies. | ||
| u) | IS-1538 : | Cast iron fittings for pressure pipes for water, |
| gas and sewage. | ||
| v) | IS-1230 : | Cast iron rainwater pipes and fittings. |
| w) | IS-1729 : | Sand cast iron spigot and socket soil, waste and ventilating pipes, fittings and accessories. |
| x) | IS-784 : | Prestressed concrete pipes. |
| y) | IS-1726 : | Cast iron manhole covers and frames. |
| z) | IS-5961 : | Cast iron grating for drainage purposes. |
| aa) | IS-5219 : [Part-I] | “P” and “S” traps. |
| bb) | IS-772 : | General requirements for enamelled cast iron sanitary appliances. |
| cc) | IS-775 : | Cast iron brackets and supports for wash basins and sinks. |
| dd) | IS-777 : | Glazed earthenware wall tiles. |
| ee) | IS-2548 : | Plastic water closet seats and covers (all parts). |
| ff) | IS-2527 : | Code of practice for fixing rainwater gutters and down pipes for roof drainage. |
2.01.11 Paving & Road Works
- IS-73Â Â Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Paving bitumen
- IS-702Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Industrial Bitumen
- IS-1201Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Method of testing tar and bituminous materials.
thru’ 1220
- Practice followed by Indian Road Congress (all parts).
2.01.12 Earthquake Resistant Design
- IS-1893          :          Criteria for  earthquake  resistant  design  of
structures.
- IS-4326Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for earthquake resistant design
and construction of buildings.
2.01.13Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Structural Steel work
- IS-800Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for general construction in
steel.
- IS-802Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for use of structural steel in
Overhead Transmission Line.
Part-I : Load and permissible stresses.
Part-II : Fabrication, Galvanising, Inspection and Packing.
- IS-806Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for use of steel tubes in
general building construction.
- IS-808            :          Rolled   steel   beams,   channels   and                       angle
sections.
- IS-813Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Scheme of symbols for welding.
- IS-814            : Covered            electrodes   for   manual   metal   arc
welding of carbon and carbon manganese steel.
- IS-816Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for use of metal arc welding for
general construction in mild steel.
- IS-817Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for training and testing of metal
arc welders.
- IS-818            :          Code   of   practice   for   safety   and                       health
requirements in electric and gas welding and cutting operation.
- IS-819Â Â Â Â Â Â Â Â Â Â Â Â :Â Code of practice for Resistance spot welding for
| light assemblies in Mild Steel. | ||
| k) | IS-919 : | Recommendations for limits and fits for |
| Engineering. | ||
| l) | IS-1024 : | Code of practice for use of welding in Bridges |
| and Structures subjected to Dynamic loading. | ||
| m) | IS-1161 : | Steel tubes for structural purposes. |
| n) | IS-1182 : | Recommended practice for Radiographic |
| Examination of Fusion Welded Butt joints in steel plates. | ||
| o) | IS-1239 : | Mild steel tubes, tubulars and other wrought |
| steel fittings (all parts). | ||
| p) | IS-1363 : | Black hexagonal bolts, nuts and locknuts (dia. 6 |
| to 39 mm) and black hexagon screws (dia.6 to 24 mm). [all parts] | ||
| q) | IS-1364 : | Precision and semi-precision hexagon bolts, screws, nuts and locknuts (dia. range 6 to 39 |
| mm). [all parts] | ||
| r) | IS-1365 : | Slotted counter sunk head screws (dia range 1.6 to 20 mm). |
| s) | IS-1367 : | Technical supply conditions for threaded steel fasteners. |
| t) | IS-1443 : | Code of practice for laying and finishing of |
| cement concrete flooring tiles. | ||
| u) | IS-1608 : | Method for tensile testing of steel products. |
| v) | IS-1730 : | Dimensions for steel plate, sheet and strip for |
| structural and general Engineering purpose. | ||
| w) | IS-1731 : | Dimensions for steel flats for structural and |
| general Engineering purposes. | ||
| x) | IS-1852 : | Rolling and cutting tolerances for hot rolled steel products. |
| y) | IS-1977 : | Structural steel (Ordinary quality) |
| z) | IS-2016 : | Plain Washers |
| aa) | IS-2062 : | Steel for General structural purposes. |
| bb) | IS-2074 : | Ready mixed paint, air drying, red oxide |
| zinc-chrome, priming. | ||
| cc) | IS-2633 : | Methods of testing uniformity of coating of zinc |
| coated articles. | ||
| dd) | IS-3613 : | Acceptance tests for wire-flux combinations for |
| submerged-arc welding of structural steels. | ||
| ee) | IS-3664 : | Code of practice for Ultrasonic Pulse echo |
| testing by contact and immersions methods. | ||
| ff) | IS-3757 : | High strength structural bolts. |
| gg) | IS-4000 : | High strength bolts in steel structures. |
| hh) | IS-4759 : | Hot dip zinc coatings on structural steel and |
| other allied products. | ||
| ii) | IS-5334 : | Code of practice for Magnetic Particle Flaw |
| detection of welds. | ||
| jj) | IS-7215 : | Tolerances for fabrication of steel structures. |
| kk) | IS-7280 : | Base-wire electrodes for sub-merged arc welding of structural steels. |
| ll) | IS-7318 : | Approval test for welders when welding |
| [Part-I] | procedure approval is not required. | |
| mm) | IS-8500 : | Structural steel – micro-alloyed (medium and |
| high strength qualities). | ||
| nn) | IS-9595 : | Recommendation for metal arc welding of |
| carbon and carbon manganese steels. | ||
| oo) | AWS D.1.1 : | Structural Welding Code. |
2.01.14 Painting
- IS-348Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Specification for French Polish.
- IS-427            :          Specification  for   Distemper,  dry   colour                       as
required.
- IS-428Â Â Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Specification for Distemper, oil emulsion, colour
as required.
- IS-1477Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for painting of ferrous metal [I & II]Â Â Â Â Â Â Â Â Â Â Â Â Â Â in buildings.
- IS-2338Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for finishing of wood and [I & II]Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â wood based materials.
- IS-2339Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Specification for Aluminum Paints for general
purposes in dual containers.
- IS-2395Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Code of practice for painting concrete, masonry and plaster surface.
- IS-2932Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Specification for enamel, synthetic, exterior – a)
undercoating, b) finishing.
- IS-2933          :          Specification    for    enamel,    exterior    –                       a)
undercoating, b) finishing.
- IS-5410Â Â Â Â Â Â Â Â Â Â :Â Â Â Â Â Â Â Â Â Â Specification for cement paint.
- a)Â Â Â Â Â Â Â Â Indian Road Congress (IRC) Bridge Codes
- Indian Railway Standard Bridge Rules
2.01.16 Environmental Protection
Charter on Corporate Responsibility for Environmental Protection (CREP) published in Gazette of India dated 27.08.2003.
3.00.00 SCOPE OF CIVIL WORKS
The scope of civil work comprises all necessary investigations, survey, foundations, building, superstructures, reclaiming conveyor along with tunnel, connection of main cross country conveyor to proposed new silo and infrastructure required for the successful execution of Rock silo storage.
The work under this Section consists of all Civil & Structural and Architectural works but not limited to items mentioned below.
Topographical Survey
Area Grading, leveling & dressing (finished grade levels shall be as
mentioned elsewhere in this Section)
Geo-Technical investigation
Demolition of existing structures / facilities, if any, and site clearance
Piling work
Plant Roads and Culverts as required and as shown in the Key Plan.
Storm Drainage network as required for the entire system.
Major building and facilities
All Civil & Structural works for the following to be completed:
- Â Rock storage silo.
- Â Under Ground RCC gallery for Reclaiming Conveyor
- Â Pent House
- Â Additional roads and drains (Approach road).
4.00.00 MAJOR STRUCTURES / UTILITIES /COMPONENTS
The descriptions of the major structures / utilities covered under the Package are given below:
4.01.01 Rock silo.
All Foundation for Columns of Storage Shed (Gable End & Retaining wall). All foundation/pedestals of Transfer Tower & Maintenance Tower
RCC conveyor gallery for Reclaiming Conveyor.
4.01.02 Cable Tray / Trench.
- Additional roads and drains
Suitable road shall be constructed for access of the above mentioned buildings or facilities. –
4.02.00 Design of infrastructural facilities
- Roads
The sub base over the well compacted subgrade of all plant service roads within this package will initially be made of well graded granular material like crushed stone as per IRC-63 with hard shoulder on either side of carriage width.
All RCC Roads and parking area shall be designed in accordance with the provision of the latest edition of the relevant I.R.C. codes of practice and MOST specification (MORT&H) for movement of equipments.
The sub-grade whether in cut or fill shall be well compacted to utilize its full strength. The R.C.C roads of required thickness as per design shall be laid over crushed stone sub-base of 230 mm consolidated thickness with 63 mm downgraded aggregate size.
The additional roads and access to individual buildings/structures/facilities within scope of this specification which are not specifically shown in layout but required from functional requirement shall be considered by the Bidder.
Finished top (crest) of roads shall be 250 mm above the surrounding grade level.
Access within the plant site as well as to building / structures shall be provided as a system of roadwork.
4.02.02 Micro Area Grading
Initial site leveling & Area Grading works of the entire plant area has already
been carried out by Owner. However, final micro leveling for the relevant area is to be done by the successful Bidder.
Site leveling and grading for the relevant plant area in this package shall be within scope of this contract. Work shall have to be carried out as per grading layout plan approved by the Owner/ Owner’s Engineer. All existing drains/channels in the plant and other areas associated with the plant shall be suitably diverted before taking up any construction. These diversions shall be so designed as to ensure effective disposal of water without any accumulation or flooding in adjoining areas.
4.02.03 Drainage System
Attempts will be made to convert construction drains into main drain as far as practicable.
All the drains along with the Plinth protection will be of RCC, where there is no wheel load, i.e. not adjacent to vehicular road. All other connecting drains also will be of RCC.
The invert of the in-plant peripheral drains shall be kept such that water can be discharged by gravity to the drain under all condition. RCC pipe culverts/box culverts will carry drainage under intercepting roads and railway tracks. Suitably designed underground storm water RCC piping on the basis of design loads specified elsewhere in this specification shall be limited to required areas where surface drainage ways are not desirable or practicable from other functional point of view. Class of RCC pipes shall be decided by Bidder as per design requirement. For pipe drains, concrete pipes of minimum grade – Class NP2 will be used. However, for road concrete pipes of Class NP3 will be used and for rail crossing, railway norms shall be followed. R.C.C. Manholes will be provided at maximum 50m intervals along the length, at connection points and every change of alignment, gradient or diameter of pipeline. The drains shall generally be of open type RCC rectangular construction. R.C.C. drains shall be covered with perforated R.C.C. pre-cast slab (M-25) of minimum 50mm thickness with provision of openable galvanized steel grating covers at every 4.0 m intervals. Similarly, all drains along the periphery of buildings shall also have perforated R.C.C. pre-cast slab (M-25) of minimum 50 mm thickness with provision of openable galvanized steel grating covers at every 4.0 m intervals. Design of such drain covers shall be done considering loading as specified elsewhere. In areas where vehicular loads would come, pre-cast RCC covers/box culverts of suitable thickness without perforations and designed for the vehicular loads shall be provided.
The drainage system shall be designed for precipitation intensity of 45 mm per hour (maximum hourly intensity of rainfall). Run-off coefficient for open ground area (unpaved) shall be minimum 0.80 and for paved area and other covered surface including roads the same shall be considered as 1.0.
Surface drains will normally have a slope of 1 IN 750 along longitudinal direction and RCC pipes to have such slopes such as to have effective discharge. RCC or masonry structures will be provided at drops/falls to prevent scouring. Drops/falls shall be provided on both sides of box/pipe culverts. Minimum self-cleansing velocity should be adopted as 0.7m/sec but
the velocity of flow should not be more than 2.4 m/sec for concrete drain, however, it is recommended to maintain the maximum velocity within 1.2 m/sec.
4.02.04 Construction Facilities for early works
The Bidder shall develop and construct all necessary facilities like Batching plant, Chilling plant, Construction store, Fabrication yard and Raw material storage area and Canteen for site personnel at no extra cost to the Owner. The associated roads and drains connecting these facilities shall also be constructed by the Bidder. The Bidder shall visit the site and locate suitable areas for these facilities.
5.00.00 DOCUMENT SUBMISSION
Design and Construction documents pertaining to all Civil, Structural and Architectural works that will be required to be submitted to Owner/ Owner’s Consultant for their approval have been brought out under following clauses. Approval of these documents by the Owner/Consultant shall not relieve the successful bidder of his responsibility for any errors and fulfillment of Contract requirements.
5.01.00 Design Document
Design Document shall comprise Civil/Mechanical/Electrical assignment Drawings, design data, design assumptions & references, detailed structural analysis (By Staad Pro. including computer output, if any) & design calculations and design drawings.
Design calculations and drawings shall be submitted and reviewed only after approval of corresponding Civil/Mechanical/Electrical System general arrangement drawings. The Bidder shall submit approved GA drawings along with design documents, design drawings for comments/approval of the Owner/Consultants. On final approval of the drawing and design, Bidder shall submit the drawing with soft copy in CD each to the Owner and consultant for distribution
5.02.00 Construction Document
Based on approved design drawing, detailed drawings for construction will be prepared by the successful bidder. For reinforced concrete structures and foundations detailed bar bending schedules in approved format shall accompany each detailed drawing. For structural steel work the successful bidder will prepare detailed fabrication drawing along with bill of materials.
All detailed drawings/ fabrication drawings as decided by Engineer for all structures along with bar bending schedule/bill of materials need be furnished to Owner/Consultants for their review and approval.
Upon approval, each drawing along with soft copy in CD shall be submitted to the Owner and Consultant for their distribution. Procedures for submission and approval of Construction Documents other than stated above have been mentioned elsewhere in this specification.
5.03.00 As Built Drawings
“As-built” drawings shall be prepared by the Bidder after completion of construction / erection incorporating all the changes, if any, done on Engineer’s instruction/approval. In case of any discrepancy in the number of prints and CD to be submitted for Design, Construction documents and As-Built drawings mentioned elsewhere in the specification, stipulations made here shall prevail.
6.00.00 LAYOUT
Before starting the work, the successful bidder shall carry out the setting out of foundation and structures and provide levels, with reference to general existing grid and benchmark. If the successful bidder uses the grid, benchmark and reference pillar made by other Bidders, he shall coordinate with the Bidder and shall satisfy himself of the accuracy of the reference marks. If he is required to set out the foundation afresh, he shall do so independently with reference to the one existing grid and benchmark, which has been followed by other agency at the instruction of the Engineer. In case any discrepancy is found, it shall be immediately brought to the notice of the Engineer for any rectification / modification necessary. No complaint shall be entertained at a later stage. The successful bidder shall accurately set out the position for holding down bolts and inserts.
If required, in the option of the Engineer, he shall construct and maintain pillars for grid, references and benchmarks and maintain them till the completion of the construction. He shall also help the Engineer with instruments, materials and labours for checking the detailed layouts and levels. The successful bidder shall be solely responsible for the correctness of the layout and levels, and Engineer’s approval shall not be deemed to imply any warranty in carrying out the works correctly. The Tenderers shall take into account the cost of these in quoting their price.
7.00.00 WORKSMANSHIP
Workmanship shall be of the best possible quality and all work shall be carried out by skilled workmen except for those, which normally require unskilled persons. Welding shall be done by experienced and certified welders in proper sequence using necessary jigs and fixtures. Fabrication shall be done in shops having proper equipment for accurate edge lining and milling of column shaft ends, base plate surfaces etc., and shaping and dimensioning of anchor bolt assembly, inserts and other misc. items. In addition to the requirement specified above, if the bye- laws of the local Govt., Municipal or other authorities require the employment of licensed or registered workmen for various trades, the successful bidder shall arrange to have the work done by such registered or licensed personnel. In case of manufactured materials, the successful bidder shall have, with no additional cost to the Owner, the services of the supervisors of the manufacturers to ensure that the work is being done according to the manufacturer’s specifications.
8.00.00 TEMPORARY WORK
All scaffoldings, staging, temporary bracing and other necessary temporary work required for proper execution of the Contract shall be provided by the successful bidder at his own cost and inclusive of all materials, labour, supervision and other facilities.
The layout and details of such temporary work shall have the prior approval of the Engineer, but the successful bidder shall be responsible for proper strength and safety of the same. All temporary work shall be so constructed as not to interfere with any permanent work or with the work by other agencies. If it is necessary to remove any of the temporary work at any time to facilitate execution of the work or with the work of other agencies, such removal and re-erection, if required, shall be carried out by the successful bidder at the direction of the Engineer without any delay and any extra cost on this account shall be borne by the successful bidder.
9.00.00 INTERFACE WITH STRUCTURES UNDER OTHER’S SCOPE
Modification in layout of foundation/structure during detail engineering stage may be necessary to avoid fouling with those under other’s scope. Necessary changes on this account will be made without any extra cost to Owner.
10.00.00 SEQUENCE OF WORK AND PROGRESS REPORT
The sequence in which the works are to be carried out shall be as approved by the Engineer in accordance with the construction method accepted by the Engineer and to be followed by the successful bidder. A programme of work is to be submitted for the Engineer’s review and approval and this has to be periodically updated and modified as per actual progress to enable timely completion.
The successful bidder shall regularly submit to the Engineer progress reports for periods of working as specified by the Engineer showing up to date progress on all-important items of work.
ANNEXURE-I
LIST OF CIVIL FIELD QUALITY ASSURANCE LABORATORY APPARATUS
| SL NO. | DESCRIPTION | QUANTITY |
| 1 | Cube moulds – 150 mm (ISI marked) | 144 |
| 2 | Cube moulds – 70.6 mm | 18 |
| 3 | Cube moulds – 50 mm | 9 |
| 4 | Cylindrical moulds – 300 long 150 dia | 18 |
| 5 | Beam mould – 700X150X150 | 18 |
| 6 | Cube testing machine with two dial gauge and brick plate attachment | 1 |
| 7 | Digital thermometer – 200°C | 6 |
| 8 | Electrical oven | 1 |
| 9 | IS sieve set – 75 μ, 150 μ, 300 μ, 600 μ, 1.18 mm, 2.36 mm, 4.75 mm, 6.3 mm, 10 mm, 12.5 mm, 16 mm, 20 mm, 22.4 mm, 25 mm, 31.5 mm, 40 mm, 50 mm, 53 mm, 63 mm, 80 mm, 90 mm, 120 mm, 125 mm, pan (24 nos. per set) | 1 Set |
| 10 | Measuring cylinder (glass) 50 ml, 200 ml, 500 ml | 2 each |
| 11 | Physical balance Digital 10 kg capacity L.C. – 1 gm | 1 |
| 12 | Platform balance – Digital: 200 kg capacity | 1 |
| 13 | Pycnometer | 2 |
| 14 | Slump cone with tamping rod | 8 |
| 15 | Specific gravity bottle – 50 ml | 2 |
| 16 | Air entrainment meter capacity – 0.005 cum | 2 |
| 17 | Casegrande apparatus | 1 |
| 18 | Core cutter with collar and rammer | 16 |
| 19 | English type trowel | 12 |
| 20 | Hygrometer with thermometer | 1 |
| 21 | Impact testing machine | 1 |
| 22 | Le-Chatelier apparatus with water bath | 1 |
| 23 | Measuring cylinder (plastic) 50 ml, 100 ml, 200 ml, 500 ml | 1 |
| 24 | Modified Proctor test apparatus | 1 |
| 25 | Length gauge | 1 |
| 26 | Penetrometer for mortar test | 1 |
| 27 | Moisture meter | 1 |
| 28 | pH meter | 1 |
| 29 | Sand replacement method apparatus | 2 |
| 30 | Screw gauge | 2 |
| 31 | Spatula | 8 |
| 32 | Standard Proctor test apparatus | 1 |
| 33 | Standard sand grade 1, 2, 3 | 500 kg each |
| 34 | Stop watch – Digital | 1 |
| 35 | Thermometer ordinary 50°C | 10 |
| 36 | Thickness gauge apparatus | 1 |
| 37 | Vernier calipers – Digital | 1 |
| 38 | Vicat apparatus | 2 |
| 39 | Weigh Boxes | 4 |
| 40 | Cylindrical measures: – capacity 0.01 cum, Dia (I) – 250 mm, Height – 280 mm, (I) with tamping rod as per IS 1199. | 1 |
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