technical specification

TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE
VOLUME - II
REV.NO.
01
SHEET
1
"!"
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4;+6!+)846 = !498.+63 +-/43
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.+33'/ = 1
DATE
OF
31/10/2014
9
TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE
VOLUME - II
REV.NO.
01
SHEET
2
DATE
31/10/2014
OF
9
"!"
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2
TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE
VOLUME - II
REV.NO.
01
SHEET
3
DATE
OF
31/10/2014
9
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3
TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE
VOLUME - II
REV.NO.
01
SHEET
DATE
4
OF
31/10/2014
9
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4
TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE
VOLUME - II
REV.NO.
01
SHEET
5
DATE
OF
31/10/2014
9
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5
TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE
VOLUME - II
REV.NO.
01
SHEET
6
DATE
OF
31/10/2014
9
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6
TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE

VOLUME - II
REV.NO.
01
SHEET
7
DATE
31/10/2014
OF
9
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
Design & Execution of civil works shall be carried out as per latest IS codes,
standard specification and drawings as per the instruction of Engineer Incharge.
7
TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE
VOLUME - II
REV.NO.
01
SHEET
8
DATE
OF
31/10/2014
9
! " # " " " !" "
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8
TITLE:
SPECIFICATION NO. PSSR-PMX-OFC-001-
PRE-FABRICATED OFFICE BUILDING
INCLUDING FOUNDATION,
ELECTRICAL, FURNITURE, TOILET &
OTHER ALLIED ITEMS AT BHEL SITE
1+)86/)'1 42543+38
#+
VOLUME - II
REV.NO.
01
SHEET
9
DATE
OF
31/10/2014
9
6'3*
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9
TITLE:
REMOVABLE/RE-ERECTABLE
TYPE PRE-ENGINEERED , PREFABRICATED STEEL STORAGE
CLOSED SHED
SPECIFICATION NO. PS-SR-PMX-CVL
VOLUME - II
REV.NO.
01
DATE 31/10/2014
SHEET
1
TECHNICAL SPECIFICATION
FOR STORAGE CLOSED SHED
Bharat Heavy Electricals Limited
Project Management Department
Power Sector – Southern Region
690, Anna Salai, Nandanam
Chennai – 600 035
1
OF
7
TITLE:
REMOVABLE/RE-ERECTABLE
TYPE PRE-ENGINEERED , PREFABRICATED STEEL STORAGE
CLOSED SHED
SPECIFICATION NO. PS-SR-PMX-CVL
VOLUME - II
REV.NO.
01
DATE 31/10/2014
SHEET
2
OF
7
TECHNICAL SPECIFICATION
1.0 SCOPE
This specification covers the following for the Rate Contract:
Design, Manufacturing, Supply, Receipt at Site, Erection, Site Painting etc. including Civil
and Handing over of Removable/Re-erectable type Pre-Engineered, Pre-fabricated Steel
Storage Sheds.
This also includes guarantee for 12 months of operations for the design performance,
materials supplied & erected by him covered under the scope of the contract.
2.0 DESIGN CONSIDERATIONS FOR CLOSED STORAGE SHED.
1. Size of Closed Shed – 15Mc/cX60Mc/cX6.0M (approximate).
2. Clear Height of closed Shed (between FFL & Bottom of truss/ Structural Member) –
6.0M.
3. Columns shall be spanning – 6.0M c/c long span & 5.0M c/c short span.
4. All design work of sheds shall be of pressed steel sections & have to be vetted by civil
design agency of repute/ Civil Engineering department of reputed engineering college
like IITs/SERC.
5. All side cladding/ roof sheets shall be fitted in such a way that they can be removed at
any point of time.
6. Sliding doors (4.65 M Width x 5 M Height) shall be provided at front entrance of each
covered shed at centre location. Suitable arrangement shall be made for easy operation
of gates (gear operated).
7. One man-entry gate to be provided on at one side of each shed (front entrance by the
side of sliding door).
8. For local site conditions, bidder to refer to enclosed write up (refer SCC).
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TITLE:
REMOVABLE/RE-ERECTABLE
TYPE PRE-ENGINEERED , PREFABRICATED STEEL STORAGE
CLOSED SHED
SPECIFICATION NO. PS-SR-PMX-CVL
VOLUME - II
REV.NO.
01
DATE 31/10/2014
SHEET
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9. The bidder should submit a guarantee for 12 months of operations for the
materials supplied and erected by him.
10. All designs have to be carried out as per relevant IS code
2.1 CIVIL WORK
Design & Execution of civil works shall be carried out as per latest IS codes, standard
specification and drawings as per the instruction of Engineer In-charge.
1. Grade of RCC shall be confirming to M25 & Reinforcement Steel shall be confirmed to Fe415.
2. Grade of PCC 1:4:8.
3. Brick masonry using first class brick of strength 50Kg/Sq.Cm. with masonry with CM1:5,
plastering with CM1:6 of min. 12mm thick.
4. Flooring shall consist of concrete base of 100mm thick PCC 1:2:4 over a layer of 150mm
thick sand filling.
5. All the exposed face of Masonry & concrete should be painted with cement paint.
6. Civil works: Foundations, floors & Brick cladding up to 0.900 m X 250 mm thick brick
wall height along periphery.
7. Safe Bearing Capacity of soil considered as 15 ton per Sq.m. for design of Civil
foundations.
8. Height of RCC Column foundation shall be + 0.60 m from above existing G.L.
However, before starting the work the Vendor has to visit site to collect actual information.
9. RCC Ramp to be provided at the entrance of each shed.
10. HDPE Rain Water Down Pipe shall be provided with suitable gutters all around.
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TITLE:
REMOVABLE/RE-ERECTABLE
TYPE PRE-ENGINEERED , PREFABRICATED STEEL STORAGE
CLOSED SHED
SPECIFICATION NO. PS-SR-PMX-CVL
VOLUME - II
REV.NO.
01
DATE 31/10/2014
SHEET
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OF
7
2.2 STRUCTURAL STEEL WORK
Design of structural steel work shall be carried out as per latest IS codes, standard
Specification and drawings as per the instruction of Engineer In-charge.
All materials for structural steel works have to be supplied by the contractor and necessary
test certificates of the materials procured for this work has to be submitted for scrutiny. All
fabrication and erection of structures must be executed according to the specification and
drawings. Erection of trusses is true to line and level and aligned properly, as per drawing
and instruction of Engineer In-charge.
1. Structural/ steel members will have 1 coat of Zinc Chromate primer (surface preparation
of the section as per the standards to suit the climatic conditions) followed by 2 coats of
synthetic enamel paint, if not pre-coated. The roof truss should have bolted joints at
crown and at both ends.
2. All accessories like G.I. bolts, EPDM washers and nuts complete from reputed
manufacturer shall be included in the scope. All bolts, nuts (IS 4759) shall be galvanised
(hot dip) min. 270gm/m2. Galvanised spring/ plain washer shall be as per IS 1573.
3. Since these are detachable sheds & to be in repetitive use at other locations, proper
marking (permanent) shall be made for identification to ease re-erection. The
stores shed shall be so designed that it can be dismantled at any time and may be
transported to be re-erected at other location.
4. Cladding : Roof and Side Cladding with Galvalume Sheet confirming to ASTM A 792 of
thickness 0.47mm with zinc coating not less than 150gm/Sq.m (both side mass) of
550Mpa (min)
of approved make. Translucent (Poly Carbonate) sheet of approved
make shall be provided for alternative bays ( 10% of the sheeting area ). Both roof and
side cladding are to be made “ Water Tight. “. Purlins for wall & roof cladding shall be ‘z’
shape made-up with pressed steel.
2.3 OTHER WORKS
1. Providing ventilators 900 mm (W) x 600 mm (H) – 16 no’s should be at a height of
4.5m from FFL, made of suitable Aluminium section with wired glass open-able type
for closed shed only.
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TITLE:
REMOVABLE/RE-ERECTABLE
TYPE PRE-ENGINEERED , PREFABRICATED STEEL STORAGE
CLOSED SHED
SPECIFICATION NO. PS-SR-PMX-CVL
VOLUME - II
REV.NO.
01
DATE 31/10/2014
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2. Store in-charge room :
It shall be of 50 mm Thick PUF insulated sandwitch panels. These panels are made
out of 0.47 thick colour coated G.I. Sheet as exterior on both sides with PU Foam of
density 38 kg/Cu.Mtr and tensile strength of 4 kg/Sq.Cm inside. Compressive
strength(10 % deformation ) 2.1 Kg/Sq.Cm. Thermal conductivity at 10 Deg 0.02
W/M Deg k Temperature Range - 80 Deg C to + 100 Deg C The PU Foam thickness
is 60 mm.
False ceiling shall be provided with sandwich panels of thickness 30mm thick.
1nos. table of 1200m width X 600mm depth X 750mm height consisting 3 drawer
unit left side, should also have CPU & keyboard provision(table in beech / black
colour), 1nos executive chair(Width - 70.0 Cm, Depth - 70 Cm, Height -84.0 Cm96.5 Cm Seat Height - 46.5 - 59.0 Cm) & 3nos visitor chairs (Width - 52.5 Cm,
Depth - 61 Cm, Height -80 Cm- 119.0 Cm Seat Height - 43.0 Cm)
1nos. file cabinet consisting 4 drawers of size 470mm width X 1320mm height X
620mm depth and 1nos. single side steel file/book rake consisting of 3 rakes of size
900mm width X1850mm height X316mm depth and mobile unit containing of 3
drawers shall be provided.
Electrical: 1nos Flush mounted tube light with fitting & 1nos ceiling fan.
3. Suitable long span shelve system shall be provided throughout the length of both
opposite longitudinal spans of closed sheds. It should have two shelves with one shorter top
& one wider middle rack at height of 600mm from floor adding to a total height of 1200mm.
The shelves shall be design to with stand SKU loading (not less than 125 Kg/Sq.M) with
suitable angle section. The width of top shelf shall be of 600mm & intermediate/middle shelf
is 750mm.
2.4 ELECTRICAL WORK
Supply & installation of electrical items are to be carried out strictly as per approved
drawings and executed through licensed electricians.
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TITLE:
REMOVABLE/RE-ERECTABLE
TYPE PRE-ENGINEERED , PREFABRICATED STEEL STORAGE
CLOSED SHED
SPECIFICATION NO. PS-SR-PMX-CVL
VOLUME - II
REV.NO.
01
DATE 31/10/2014
SHEET
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OF
7
1. Bidder to supply & install electrical items like Main switch (30A TPN), ELCB, wires,
conduit, tees, bends, clamps, JBs, Switch boards, earthing wires etc. for 18 nos.
Medium Bay HPSV lamps with fittings. The same will be as per BHEL site
Engineer’s approval. 2nos. EXHAUST FAN of size 600mm of suitable capacity on
both sides on the gable ends to be supplied and fitted.
2. Outside the shed 1nos sodium vapour lamp shall be provided at the entrance.
3. Electrical cables shall confirm to Finolex / Havells / Universal / Delton / Paramount
and fixtures/fittings shall be of Havells / Crompton/ Bajaj / Philips or any other
approved make.
5.0
GENERAL
All works shall be carried out in proper workmen like manner. Items of works covered by the
following specification shall be carried out as per the best practices and according to the
direction of the Engineer In-charge / BHEL, Site Engineer and to his satisfaction.
Unless otherwise specified in this section or in the description of item, the cost of
stage of works mentioned here under shall be deemed to have been included in the rates of
items provided in the schedule.
Bidders may take note of the following points while sending their offers:
1. The design for shed shall be submitted by the bidder within 7 days of the receipt of the
LOI. The design must be vetted by civil design agency of repute/ Civil Engineering
department of reputed engineering college like IITs/SERC. Also a detail BOQ along with
detail rate schedule in line with the BHEL rate schedule shall be submitted along with the
design drawing and that must also be vetted by civil design agency of repute/ Civil
Engineering department of reputed engineering college like IITs/SERC.
2. The quoted prices shall include transit freight, handling at site, assembly and erection and
all Taxes, duties, local taxes including Works Contract Tax (if any).
3. Agency shall submit two sets of proposed drawings of the shed to BHEL before
commencement of work for approval for all sites. Five sets of final drawings, along with one
soft copy in CD and one reproducible, shall be handed over to BHEL immediately after
finalization of design.
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TITLE:
REMOVABLE/RE-ERECTABLE
TYPE PRE-ENGINEERED , PREFABRICATED STEEL STORAGE
CLOSED SHED
SPECIFICATION NO. PS-SR-PMX-CVL
VOLUME - II
REV.NO.
01
DATE 31/10/2014
SHEET
7
OF
7
4. While executing the work at site, if there is any increase or decrease in the depth of the
foundation because of the soil condition at site, the new quantities will be reworked and
submitted for approval to BHEL. Accordingly the rates will be reworked and the extra
amount will be paid.
5. Similarly BHEL reserves the right to modify the size of the shed in line with the
requirement and space constraint at site. In such special cases, in line with the BOQ
submitted by the bidder, the quantities for the shed can be re worked and the amount can
be revised.
6. Quoted Price shall be inclusive of all the above.
7. The materials and workmanship must be of good quality and accepted standards and
specifications. The site engineer reserves the right to reject any material not up to the
specification. All taxes, levies and duties on construction materials will be on contractor’s
account. After completion of work, the building and areas around them should be cleared of
all rubbish, debris etc. and handed over in fit condition for occupation.
6.0 DRAWINGS
Following drawings are enclosed strictly for the guidance of the Bidders:
1. Typical cross section of the closed store shed.
2. Typical Civil foundation drawing for closed storage shed.
3. Schematic diagram of Electrical closed storage shed.
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FFL
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