TECHNICAL
SPECIFICATIONS
1. WOOD WORK
a) Quality: Timber for carpentry shall be straight and free from twist, sapwood, shakes, dead and loose
knots, wormholes, other holes, signs of decay, and other defects, and seasoned and shall comply with
the requirements of IS 883-1994
b) Kind: The timber shall be of the best quality as specified in the item.
c) Sawing: All beams and scantling shall be sawed straight lines and planes of uniform thickness with full
measurement from end to end.
d) Hardware: Bolts, with the necessary nuts and washers (mild steel IS 1363-1992)., timber connectors,
drift pins, dowels, nails, screw nails, coach bolts, spikes, and other metal fasteners.
e) Holdfast: Window frames shall have three 7.5cm / 2.00 mm thick hinges on each panel whereas the size
of hinges for door panels shall be as follows:
Width of panels (up to 75cm) : 10cm double-breasted butt hinge, 2.00mm thick, 3 nos.
Width of panels exceeding 75cm: 12.5cm double breasts butt hinges, 2.25mm thick, 3 nos.
f) Tower Bolt : All tower bolts shall be of aluminium with bolt casted monolithic with the handle. (15cm)
g) Handles :Door handled shall be minimum 15cm clear inside and window handle 10cm clear. (Probably
Aluminium)
Note: A sample of hardware (tower bolts, handles, hinges, catch and allotrope, and screws) will be displayed
at the site at the Project Engineer's office as the sample of desired quality and design. The Contractor shall
submit samples of hardware in writing to the Project Engineer for approval.
A. TIMBER PRESERVATION
a) Insect: Free from barer beetle or other insect attack.
b) Seasoning of Timber: Seasoned to a moisture content of not more than 22% for carpentry and 15% for
joinery.
c) Inspection and Testing:
• The Project Engineer shall be given facilities for inspection of all works in progress whether in Workshop or
on Site.
• Where timbers need to be extended into a wall, they shall be thoroughly "Brush Treated" with a wood
preservative.
d) Clearing Up :
e) Galvanizing: All hardware shall be galvanized per the Indian Standard recommended Practice for Hot-
Dip Galvanizing of Iron
f) Carpentry and Joinery
• All carpentry shall be executed with workmanship of the best quality.
• All exposed surfaces of joinery Work shall be wrought and all arises "eased-off" by planning and sand
papering to an approved finish suitable to the specified treatment.
• Joinery shall hold up to the specified sizes and as measured.
2. PANELLED SHUTTERS
• The window shutters may be fully paneled, fully glazed, partly glazed, and partly paneled, battened, or
Venetian as specified.
• Glue shall be applied to all joints before clamping and fixing them with bamboo pins.
• Panels shall be of one piece without any joints and shall be housed with 12.5mm insertion into rails and
styles.
• All rails above 100mm in width shall have double tenon.
Measurement
Measurement of works will be made in m2 of works as specified.
Payment
Payment for work will be made on the basis of the contract unit price indicated in the BOQ.
The payment will be full and final compensation for all material, labour, and equipment to complete the works
as specified.
3. CARVED WINDOWS AND DOORS
• For shutter, the thickness of 38mm salwood panel shall be used for carving
and decorative works.
• The section size of door frame for decorative door shall be 75mm x 125mm
section or 100mmx100mm or equivalent to this section or as approved by the
engineer.
• For the main decorative carved door shutter, the shutter shall be fitted 1 nos.
of 300mm brass aldrop(main chukul) , 2 nos. 200mm brass door handle, 4
nos. of 250mm tower bolt(small chukul), 6 nos. 25x25x125mm brass hinges,
nails, Detailed Specifications Of Building Works (Civil) Page 89 screws, with
at least three coats of chapra polish, or as per drawing and instruction of
engineer, all complete.
Measurement
Measurement of works will be made in m2 of works as specified.
Payment
Payment for work will be made on the basis of the contract unit price indicated in
the BOQ.
4. FLOORING WORKS
A. Concrete Flooring
Materials:
Cement: Portland cement as per specification under “Concrete Work”
Aggregate of 12mm nominal gauge shall be properly gauged.
Sand shall be clean inner bed.
Proportion:
The concrete shall be either 1:2:4 mix or 1:4:8 mix or as specified in the drawing,
Mixing:
Mixing shall be done on a watertight platform. Material shall be dry mixed after
accurately gauging different materials in wooden boxes. Water shall be added
gradually and no more than necessary to sufficiently wet the materials.
Preparation of Sub-grade :
If the sub-grade is of lean concrete the flooring shall be commenced within 48
hours.
Placing
Concrete shall be laid in horizontal layers and gently rammed.
Finishing
• It shall be compacted first with wood float.
• The surface must be uniform in colour.
• The cement slurry shall be trawled smooth with a steel float several times till
approved finish is achieved.
• The surface shall be without the float marks or air holes.
Curing
• Curing shall not be commenced until the top layer has hardened.
• Hardened concrete shall be kept wet for 15 days.
Measurement
Measurement of works will be made in m2 of works or as specified.
B. Mozaic / Terrazzo Tile Flooring
Marble Chips:
Marble chips shall be of 3 mm gauge having maximum size 3mm and minimum
size of 1.5 mm and shall be of good quality.
Proportion and Mixing:
• For cement sand Base Course: 1 part cement; 2 parts sand and mixing shall be
done as per specification for mortar mixing of brick masonry work
• For Top Course: The marble chips and cement shall be mixed by measuring
with boxes to have the required proportion firsed dry mixed, and then thoroughly
mixed by adding water gradually to have a uniform plastic mix.
Laying
The base shall be made rough and watered and given a cement wash and then
the mortar shall be laid in 20 mm. thick layers.
Curing
After about two hours of laying, the surface shall be covered with wet bags
and kept wet and left undisturbed for two days.
Finish
• Finally, when the surface is absolutely dry, oxalic acid powder shall be
rubbed well on the surface with grinding machine with water, and this
operation shall be repeated until the surface becomes perfectly smooth and
glossy.
• The surface shall be rubbed with wax to give a glazing surface.
Measurement
Measurements shall be square meters in length and breadth of the floor.
Rate
Rate shall include materials, mixing, laying, curing, finishing, grinding,
polishing and labor etc., all complete.
4. PLASTER, PUNNING AND POINTING WORKS
A. Plaster Works
• Plastering shall be started from the top and worked down.
• The mortar shall be laid on the wall between the screeds using the plaster's
float and pressing the mortar so that the raked joints are properly filled.
• No portion of the surface shall be left out in a condition to be patched up later
on.
• The plaster shall be finished to a true and plumb surface and to the proper
degree of smoothness as required by the Engineer.
• The minimum Thickness over any portion of the surface shall not be less than
the specified thickness minus 3 mm.
• The thickness of the plaster shall not be less than 12 mm not more than 20mm.
• In case of plaster thicker than 20mm, it shall be built by two or more coats each
coat not exceeding 12mm in thickness.
Hacking
Surfaces to be paved or plastered must be brushed clean and
well-wetted before each coat is applied.
Samples
The Contractor shall prepare a sample square meter of the
plastering and paving as directed until the quality, texture, and
finish required are obtained.
Finish
• Care shall be taken to ensure that finished plaster surfaces
shall be plumb, square, straight, and true to line.
• Rendering and plastering shall be finished plumb, square,
smooth and even.
B. Pointing Works
• If the type of pointing is not mentioned on the Drawing the same shall be ruled
pointing.
• The mortar shall be filled and pressed into the raked out joints before giving the
required finish.
• The excess mortar shall ,then, be taken off from the edges of the lines and shall
not be unnecessarily plastered over the exposed stone works.
• The average thickness of the punning and pointing work shall not be less than 3
mm.
Measurement
Measurement of works will be made in m2 of works as specified.
Payment
Payment for work will be made on the basis of the contract unit price indicated in
the BOQ.
5. PAINTING WORKS
• All materials shall be delivered on-site intact in the original drums or tins and
shall be mixed and applied strictly.
• All cement paints and washable distemper shall be applied by brush;
• Emulsion paints shall be applied by means of a brush then rolled.
• All enamel paints are applied by brush or sprayed, and bitumen and bituminous
base aluminium paints are applied by brush.
• Before application of any paint, adjoining surfaces shall be covered by cloth, or
paper.
Preparation and priming of surfaces
• All such surfaces, which are to be finished with oil or enamel paint, shall be
primed with two coats of alkali resisting primer.
• Plaster surfaces shall be perfectly smooth and free from defect.
• Metal work generally shall be thoroughly wire brushed to remove all scale, rust,
and through sand papering shall be done before any painting is done.
Colours and priming:
• The paintwork shall have and uniform finish and all paint for external
work shall be exterior quality only.
Rubbing Down:
Each coat of paint shall be properly dried and shall be well rubbed down with fine
glass paper before the next coat is applied.
Program:
The contractor shall so arrange his program of work that all the trades are
completed and away from the area to be painted when the painting begins.
Ironmongery, Protection and Cleaning Up:
• All ironmongery shall be removed from joinery before painting is commenced.
• Cover up all floors, etc., with non-resinous sawdust or other approved covering
when executing and all painting decorating work.
• Paint splashes, spots and stains shall be removed from floors, woodwork, etc.
PAINT APPLICATION
Cement Paint: Apply two coats.
Plastic Emulsion : Apply a minimum of three
Paint : Apply two undercoats and one finishing coat of enamel gloss oil
paint.
Flat oil paint : Apply two coats of flat oil paint, using thinning medium.
Oil : Apply two coats of linseed oil.
Wax Polish : Apply a minimum of two coats to approval.
Lacquer : Apply three coats of Polythene lacquer as described, to
approval.
Prime : Prepare and prime only before fixing.
Measurement:
Measurement shall be in square meters of the actual covered
area of the paints. Nothing extra shall be allowed for painting any
rough surface. The rate shall include for specified coats inclusive
of materials, labour, scaffolding all complete.
6. DAMP PROOF WORKS
Damp proof Course will be provided to all walls, which do not have tie beam above
ground level as per the details of the working drawing.
Water Proofing Compound
• Integral cement water proofing compound conforming to IS 2645 from time to
time shall be used.
• Cement shall be thoroughly mixed with required 2%by weight of waterproofing
compound, and then mixed with the required volume of sand to make a
proportion of 1:2.
• Adding water thoroughly then mixing them turning at least three times to give
uniform and homogeneous concrete.
• The damp proof course shall be laid continuously except across doorways.
Measurement:
Measurement of works will be made in m³ of works as specified.
Payment:
Payment for work will be made on the basis of contract unit price indicated in the
BOQ.
7. CEILING, WALL PANELLING AND PARTITION WORKS
• The material for installing false ceiling system shall be made of appropriate
board with flexural strength not less than 485 N cross directional and 175 N
machine directional, with hardness at core, end and edge not less than 65 N,
with capacity to withstand breaking load not less than 556 N in longitudinal
direction and not less than 275 N in transverse direction.
• The thermal resistance value "R" shall be not less than 0.45, with fire
propagation index "I" not less than 2.1.
• It shall be fixed to the underside of the suspended grid comprising properly
placed at maximum distance 457mm c/c frame.
• Connecting clip and softie cleat using standard screw and proper metal grip, as
per drawing, manufacturers' specification, and instruction of engineer, all
complete.
Finish
• The ceiling boards free of damages are fixed to the framing in perfect line and
level.
• The joints are sealed with plaster of Paris and non woven paper tapes with
out forming any bubble the joints shall be finished flush to make the ceiling in
one piece.
• The finished surface shall be smooth and true to plane and curved as
required.
• Once laying of ceiling is completed the dust and floors are cleaned for the
painting works.
Measurement:
It shall be measured flat in square meter of the actual area covered.
Payment:
• Payment for work will be made on the basis of contract unit price indicated in
the BOQ.

Technical specifications, Fourth year architecture student.

  • 1.
  • 2.
    1. WOOD WORK a)Quality: Timber for carpentry shall be straight and free from twist, sapwood, shakes, dead and loose knots, wormholes, other holes, signs of decay, and other defects, and seasoned and shall comply with the requirements of IS 883-1994 b) Kind: The timber shall be of the best quality as specified in the item. c) Sawing: All beams and scantling shall be sawed straight lines and planes of uniform thickness with full measurement from end to end. d) Hardware: Bolts, with the necessary nuts and washers (mild steel IS 1363-1992)., timber connectors, drift pins, dowels, nails, screw nails, coach bolts, spikes, and other metal fasteners. e) Holdfast: Window frames shall have three 7.5cm / 2.00 mm thick hinges on each panel whereas the size of hinges for door panels shall be as follows: Width of panels (up to 75cm) : 10cm double-breasted butt hinge, 2.00mm thick, 3 nos. Width of panels exceeding 75cm: 12.5cm double breasts butt hinges, 2.25mm thick, 3 nos. f) Tower Bolt : All tower bolts shall be of aluminium with bolt casted monolithic with the handle. (15cm) g) Handles :Door handled shall be minimum 15cm clear inside and window handle 10cm clear. (Probably Aluminium) Note: A sample of hardware (tower bolts, handles, hinges, catch and allotrope, and screws) will be displayed at the site at the Project Engineer's office as the sample of desired quality and design. The Contractor shall submit samples of hardware in writing to the Project Engineer for approval.
  • 3.
    A. TIMBER PRESERVATION a)Insect: Free from barer beetle or other insect attack. b) Seasoning of Timber: Seasoned to a moisture content of not more than 22% for carpentry and 15% for joinery. c) Inspection and Testing: • The Project Engineer shall be given facilities for inspection of all works in progress whether in Workshop or on Site. • Where timbers need to be extended into a wall, they shall be thoroughly "Brush Treated" with a wood preservative. d) Clearing Up : e) Galvanizing: All hardware shall be galvanized per the Indian Standard recommended Practice for Hot- Dip Galvanizing of Iron f) Carpentry and Joinery • All carpentry shall be executed with workmanship of the best quality. • All exposed surfaces of joinery Work shall be wrought and all arises "eased-off" by planning and sand papering to an approved finish suitable to the specified treatment. • Joinery shall hold up to the specified sizes and as measured.
  • 4.
    2. PANELLED SHUTTERS •The window shutters may be fully paneled, fully glazed, partly glazed, and partly paneled, battened, or Venetian as specified. • Glue shall be applied to all joints before clamping and fixing them with bamboo pins. • Panels shall be of one piece without any joints and shall be housed with 12.5mm insertion into rails and styles. • All rails above 100mm in width shall have double tenon. Measurement Measurement of works will be made in m2 of works as specified. Payment Payment for work will be made on the basis of the contract unit price indicated in the BOQ. The payment will be full and final compensation for all material, labour, and equipment to complete the works as specified.
  • 5.
    3. CARVED WINDOWSAND DOORS • For shutter, the thickness of 38mm salwood panel shall be used for carving and decorative works. • The section size of door frame for decorative door shall be 75mm x 125mm section or 100mmx100mm or equivalent to this section or as approved by the engineer. • For the main decorative carved door shutter, the shutter shall be fitted 1 nos. of 300mm brass aldrop(main chukul) , 2 nos. 200mm brass door handle, 4 nos. of 250mm tower bolt(small chukul), 6 nos. 25x25x125mm brass hinges, nails, Detailed Specifications Of Building Works (Civil) Page 89 screws, with at least three coats of chapra polish, or as per drawing and instruction of engineer, all complete. Measurement Measurement of works will be made in m2 of works as specified. Payment Payment for work will be made on the basis of the contract unit price indicated in the BOQ.
  • 6.
    4. FLOORING WORKS A.Concrete Flooring Materials: Cement: Portland cement as per specification under “Concrete Work” Aggregate of 12mm nominal gauge shall be properly gauged. Sand shall be clean inner bed. Proportion: The concrete shall be either 1:2:4 mix or 1:4:8 mix or as specified in the drawing, Mixing: Mixing shall be done on a watertight platform. Material shall be dry mixed after accurately gauging different materials in wooden boxes. Water shall be added gradually and no more than necessary to sufficiently wet the materials. Preparation of Sub-grade : If the sub-grade is of lean concrete the flooring shall be commenced within 48 hours.
  • 7.
    Placing Concrete shall belaid in horizontal layers and gently rammed. Finishing • It shall be compacted first with wood float. • The surface must be uniform in colour. • The cement slurry shall be trawled smooth with a steel float several times till approved finish is achieved. • The surface shall be without the float marks or air holes. Curing • Curing shall not be commenced until the top layer has hardened. • Hardened concrete shall be kept wet for 15 days. Measurement Measurement of works will be made in m2 of works or as specified.
  • 8.
    B. Mozaic /Terrazzo Tile Flooring Marble Chips: Marble chips shall be of 3 mm gauge having maximum size 3mm and minimum size of 1.5 mm and shall be of good quality. Proportion and Mixing: • For cement sand Base Course: 1 part cement; 2 parts sand and mixing shall be done as per specification for mortar mixing of brick masonry work • For Top Course: The marble chips and cement shall be mixed by measuring with boxes to have the required proportion firsed dry mixed, and then thoroughly mixed by adding water gradually to have a uniform plastic mix. Laying The base shall be made rough and watered and given a cement wash and then the mortar shall be laid in 20 mm. thick layers.
  • 9.
    Curing After about twohours of laying, the surface shall be covered with wet bags and kept wet and left undisturbed for two days. Finish • Finally, when the surface is absolutely dry, oxalic acid powder shall be rubbed well on the surface with grinding machine with water, and this operation shall be repeated until the surface becomes perfectly smooth and glossy. • The surface shall be rubbed with wax to give a glazing surface. Measurement Measurements shall be square meters in length and breadth of the floor. Rate Rate shall include materials, mixing, laying, curing, finishing, grinding, polishing and labor etc., all complete.
  • 10.
    4. PLASTER, PUNNINGAND POINTING WORKS A. Plaster Works • Plastering shall be started from the top and worked down. • The mortar shall be laid on the wall between the screeds using the plaster's float and pressing the mortar so that the raked joints are properly filled. • No portion of the surface shall be left out in a condition to be patched up later on. • The plaster shall be finished to a true and plumb surface and to the proper degree of smoothness as required by the Engineer. • The minimum Thickness over any portion of the surface shall not be less than the specified thickness minus 3 mm. • The thickness of the plaster shall not be less than 12 mm not more than 20mm. • In case of plaster thicker than 20mm, it shall be built by two or more coats each coat not exceeding 12mm in thickness.
  • 11.
    Hacking Surfaces to bepaved or plastered must be brushed clean and well-wetted before each coat is applied. Samples The Contractor shall prepare a sample square meter of the plastering and paving as directed until the quality, texture, and finish required are obtained. Finish • Care shall be taken to ensure that finished plaster surfaces shall be plumb, square, straight, and true to line. • Rendering and plastering shall be finished plumb, square, smooth and even.
  • 12.
    B. Pointing Works •If the type of pointing is not mentioned on the Drawing the same shall be ruled pointing. • The mortar shall be filled and pressed into the raked out joints before giving the required finish. • The excess mortar shall ,then, be taken off from the edges of the lines and shall not be unnecessarily plastered over the exposed stone works. • The average thickness of the punning and pointing work shall not be less than 3 mm. Measurement Measurement of works will be made in m2 of works as specified. Payment Payment for work will be made on the basis of the contract unit price indicated in the BOQ.
  • 13.
    5. PAINTING WORKS •All materials shall be delivered on-site intact in the original drums or tins and shall be mixed and applied strictly. • All cement paints and washable distemper shall be applied by brush; • Emulsion paints shall be applied by means of a brush then rolled. • All enamel paints are applied by brush or sprayed, and bitumen and bituminous base aluminium paints are applied by brush. • Before application of any paint, adjoining surfaces shall be covered by cloth, or paper. Preparation and priming of surfaces • All such surfaces, which are to be finished with oil or enamel paint, shall be primed with two coats of alkali resisting primer. • Plaster surfaces shall be perfectly smooth and free from defect. • Metal work generally shall be thoroughly wire brushed to remove all scale, rust, and through sand papering shall be done before any painting is done.
  • 14.
    Colours and priming: •The paintwork shall have and uniform finish and all paint for external work shall be exterior quality only. Rubbing Down: Each coat of paint shall be properly dried and shall be well rubbed down with fine glass paper before the next coat is applied. Program: The contractor shall so arrange his program of work that all the trades are completed and away from the area to be painted when the painting begins. Ironmongery, Protection and Cleaning Up: • All ironmongery shall be removed from joinery before painting is commenced. • Cover up all floors, etc., with non-resinous sawdust or other approved covering when executing and all painting decorating work. • Paint splashes, spots and stains shall be removed from floors, woodwork, etc.
  • 15.
    PAINT APPLICATION Cement Paint:Apply two coats. Plastic Emulsion : Apply a minimum of three Paint : Apply two undercoats and one finishing coat of enamel gloss oil paint. Flat oil paint : Apply two coats of flat oil paint, using thinning medium. Oil : Apply two coats of linseed oil. Wax Polish : Apply a minimum of two coats to approval. Lacquer : Apply three coats of Polythene lacquer as described, to approval. Prime : Prepare and prime only before fixing.
  • 16.
    Measurement: Measurement shall bein square meters of the actual covered area of the paints. Nothing extra shall be allowed for painting any rough surface. The rate shall include for specified coats inclusive of materials, labour, scaffolding all complete.
  • 17.
    6. DAMP PROOFWORKS Damp proof Course will be provided to all walls, which do not have tie beam above ground level as per the details of the working drawing. Water Proofing Compound • Integral cement water proofing compound conforming to IS 2645 from time to time shall be used. • Cement shall be thoroughly mixed with required 2%by weight of waterproofing compound, and then mixed with the required volume of sand to make a proportion of 1:2. • Adding water thoroughly then mixing them turning at least three times to give uniform and homogeneous concrete. • The damp proof course shall be laid continuously except across doorways. Measurement: Measurement of works will be made in m³ of works as specified. Payment: Payment for work will be made on the basis of contract unit price indicated in the BOQ.
  • 18.
    7. CEILING, WALLPANELLING AND PARTITION WORKS • The material for installing false ceiling system shall be made of appropriate board with flexural strength not less than 485 N cross directional and 175 N machine directional, with hardness at core, end and edge not less than 65 N, with capacity to withstand breaking load not less than 556 N in longitudinal direction and not less than 275 N in transverse direction. • The thermal resistance value "R" shall be not less than 0.45, with fire propagation index "I" not less than 2.1. • It shall be fixed to the underside of the suspended grid comprising properly placed at maximum distance 457mm c/c frame. • Connecting clip and softie cleat using standard screw and proper metal grip, as per drawing, manufacturers' specification, and instruction of engineer, all complete.
  • 19.
    Finish • The ceilingboards free of damages are fixed to the framing in perfect line and level. • The joints are sealed with plaster of Paris and non woven paper tapes with out forming any bubble the joints shall be finished flush to make the ceiling in one piece. • The finished surface shall be smooth and true to plane and curved as required. • Once laying of ceiling is completed the dust and floors are cleaned for the painting works. Measurement: It shall be measured flat in square meter of the actual area covered. Payment: • Payment for work will be made on the basis of contract unit price indicated in the BOQ.