PART - II
(2nd DAY)
EXECUTION OF BUILDINGS
Each item of work shall be executed according to
relevant standard specification number as described in the
Andhra Pradesh Standard Specifications (APSS) and Indian
Standard (IS) Specifications. Whenever these are silent in
any aspect, the construction and completion of works shall
confirm to sound engineering practice as approved by
Engineer in charge.
All works shall be done according to the detailed
drawings and specifications. The works shall be set to the
highest precision of dimensions, levels, grades and lines as
per designs and drawings using precise scientific equipment
and measuring instruments.
All the materials shall be new and of the
kinds and qualities described in contract. All
materials used and work done shall be
subject to approval of the Engineer-in-charge.
MATERIALS
Water:
Water should be clean, fresh and free
from all
chemicals,
oils,
salts
and
deleterious
materials
and
vegetable
growth. Water has to meet requirements
mentioned in Cl.5.4 of IS: 456-2000.
Storage of water
should be sufficient
and adequate for the regular consumption
of works for the use of labour onsite
Earth:
Soil used for filling shall be free from all
garbage, organic and vegetable growth
including roots, weeds etc. Expansive soils
having high swelling index eg. Black cotton
soils should not be used for basement
filling.
Sand (Fine Aggregate):
Sand to be used shall be composed of hard
siliceous material and shall be clean, sharp,
hard, strong and angular type. Sand shall
be clean river or pit sand of approved
quality and free from salts, earth, dust, or
other impurities.
• Sand for Plain and Reinforced Cement Concrete shall
confirm to IS: 383-970.
• Sand for Mortar shall confirm to IS: 2116-1980
• Sand for Plastering shall confirm to IS:1542-1992
• For PCC & RCC Zone-I to III Sand shall be used.
• For PCC & RCC quantity of sand passed through
600µ sieve should be less than 80%.
Coarse Aggregate:
The coarse aggregate shall be from hard granite
crushed stone confirming to IS 383:1970. The pieces of
aggregate shall be non porous, hard, strong, durable, clean
and free from clay, rounded in shape and shall have
granular or crystalline non powdery surfaces.
The
aggregate shall be well graded. Tests where required shall
be carried out in accordance with IS:2386-1963.
Cement:
The following cements may be used with prior
approval of the competent authority.
• Ordinary Portland Cement 43 Grade
• Ordinary Portland Cement 53 Grade
• Portland Pozzolana Cement 53 Grade
IS:8112
IS:12269
IS:1489
 The quality of cement shall be in conformity to the
performance characteristics given in IS:8112-1989.
The cement should be delivered to the site in sound
dry bags and shall be stored properly.
The cement shall be procured in standard packing
(50 kg per bag) from the authorized manufactures.
 Cement shall be got tested for all the tests as
directed by the Engineer-in-charge atleast once in
a month in advance before the use of cement bags
bought and kept at site godown.
 Cement bags required for testing shall be supplied
by the contractor at free of cost.
 Cement should not be placed directly on cement
mortar or cement concrete flooring . A wooden
platform or false floor a sheet of water proof paper
should be provided.
 As a rule cement should not be stored longer than
three months
Bricks:
Bricks for masonry shall be common burnt clay
building bricks having a minimum crushing strength
of 40 kg/sq.cm and shall confirm to the relevant
specifications of IS:1077-1995.
They shall be sound, hard and thoroughly well burnt,
but not over burnt, with uniform size having
rectangular faces with parallel sides and sharp straight
right angled edges and be of uniform colour with fine
compact uniform texture. Bricks shall be free from
flaws, cracks and nodules of free lime.
Water absorption after 24 hours immersion in cold
water shall be not more that 20% by weight. They
shall not absorb more than 10% by weight after
immersion for six hours.
 They shall emit a clear metallic ringing sound
when struck by a mallet and shall not break
when dropped on their face, from a height of
60cm.
 Samples of bricks bought to the site shall be
tested periodically for compression and other
tests in accordance with IS:3495
STEEL
 Mild Steel shall conform to IS:432-1982, High Yield
Steel Deformed bars shall conform to IS:1786-1985
and binding wire shall conform to IS:280.
 Mild Steel / HYSD Steel shall be procured only from
the reputed units manufacturing the steel to the
prescribed specifications of Bureau of Indian
Standards or equivalent and licensed to affix ISI or
other equivalent certifications, marks and acceptable
to Engineer-in-charge.
The diameter and weights of steel should be as per
IS:1786-1985.
6Ø - 0.22 kg/m 8Ø - 0.39 kg/m 10Ø - 0.62 kg/m
12Ø - 0.89 kg/m 16Ø - 1.58 kg/m 20Ø - 2.47 kg/m
25Ø - 3.85 kg/m 32Ø - 6.31 kg/m
 The contractor shall furnish the samples for testing
each batch and consignment along with the test
certificates issued by the vendors to the Engineerin-charge immediately after receipt of the steel for
verification and testing.
 No steel procured by the contractor shall be used in
any work until the Engineer-in-charge has given
notice that the test results are satisfactory.
 Reinforcement shall be free from pitting due to
corrosion and free from loose rust, dirt, dust, mill
scale, paint, oil, grease, adhering earth etc.
 Erected and secured reinforcement after fabrication
shall be inspected and approved by the Enginer-inCharge prior to placement of concrete.
WOOD
The wood shall be well seasoned, uniformly colored and
shall be free from knots, cracks, shakes, splits, cross grains
etc.
The wood shall be durable and reasonably straight grains
 Moisture content of wood used for frames of doors and
windows in coastal area shall be 16% to 18%.
 Moisture content of wood used for frames of doors and
windows inland area shall be 14% to 15%.
 Moisture content of wood used for shutters of doors and
windows in coastal area shall be 15% to 16%.
 Moisture content of wood used for shutters of doors and
windows in inland area shall be 12% to 14%
WORK EXECUTION
Marking
• Clear Jungle, Garbage if any and Level the Surface
• Study & Keep ready Architectural & Structural Drawings
while giving marking for the Structure.
• Use Precise Tap for Marking.
• Prefer Total Station for marking Big Size Structures.
• Mark out Peripheral Center Line of the Structure on four
sides duly verifying both the diagonal measurements.
• Mark out internal Center Lines and verify the all internal
diagonal measurements in both the ways.
• Mark All Column Center Points.
• Provide Base Lines & Bench Marks on Four Sides.
• Maintain Bench Marks throughout the period of Construction
without causing any disturbance to them.
Earth Work Excavation for Foundations
 Mark out the Dimensions of Footing / Pile Cap
 Verify whether the Centre of all Foundations Coincide with
the Center of the Columns.
 Execute Earth Work Excavation as per APSS 308
 Execute E/w manually or by mechanical means as per the
directions of the Engineer-in-Charge.
 See that offset of the trench around the center of the
column in four directions shall be uniform.
 All foundation works are to be carried out in dry and
workable condition. Hence, dewatering arrangements are
to be made if raised water table is observed in foundations.
 Shoring, Sheeting, Planking, Strutting etc. arrangements
shall be made as per the directions of the Engineer-inCharge.
 Excavated earth shall not deposit at the edges of
foundations. Min. clearance to provide walk way to
workers shall be maintained.
PILE FOUNDATION
 Pile foundations are normally used in Expansive
Soils, Cohesive Soils with low bearing capacity.
 Pile foundations with Under Reamed Piles
commonly used for normal buildings.
 Piles shall be installed as accurately as possible
according design and drawings vertically.
 Angular Deviations should not exceed 1.50%
 Position Deviation should not exceed D/6 or 75mm
whichever is less
 Under Reamed Pile Foundations shall be executed
in accordance with IS:2911 Part-3) – 1980.
 Minimum Length of Pile should be 3.50m
 Reamer (Bulb) Diameter Du shall be 2.50 time Diameter of Stem (d).
 Up to 300 mm dia. Spacing Bulbs should not exceed 1.50 times
Diameter of Bulb (1.50 Du).
 For Piles Diameter greater than 300mm Spacing Bulbs should not
exceed 1.25 time Diameter of Bulb.
 The top most bulb should be at a distance of 1.75m from Natural
Ground Level.
 The Minimum Clearance between bottom of Pile Cap embedded in soil
and bulb should be 1.50 times diameter of bulb.
 Distance between two Under Reamed Piles should be less than 1.50
time Diameter of Bulb.
CONCRETING
 Plain and Reinforced Cement Concrete items shall
be executed in accordance with APSS 402 & 403
and IS 456:2000
 No concrete shall be cast in the absence of the works in charge
engineer.
 All the materials used should be of good quality and in accordance with
respective APSS and IS Codes.
 All concrete works shall be built to the lines, grades and dimensions as
per the designs and drawings.
DESINGN MIX & NOMINAL MIX
 Design Mix is preferred to Nominal Mix.
 If the Design Mix Cannot be used for any reason on the work for Grades
of M20 or lower, Nominal Mix may be used with the permission of the
Engineer-in-Charge
 However, it is likely to involve a higher content of Cement in Nominal
Mixes.
 Process of Mix Design takes a minimum period of 28 days. Hence, for
getting Mix Design concrete ingredients shall be furnished well in
advance.
 Mix Design done earlier not prior to one year may be considered
adequate for later work provided there is no change in source and the
quality of materials.
 The design mix shall be got approved by the Engineer-in-Charge before
proceeding with the concreting.
 The mix shall be designed to produce the grade of concrete having
required workability and Characteristic Strengths.
 Target mean strength of the concrete mix should be equal or more than
fck + 1.65 times Standard Deviation.
 Standard Deviation for M20 & M25 Grades is 4 and for higher grades it
is 5.
 Whenever the grade of concrete such as M20, M25,
M30 etc. is specified, it shall be Contractor’s
responsibility to ensure the minimum compressive
strength (crushing strength) stipulated for the
respective grade of concrete is obtained at works.
 The contractor shall maintain the test results on
regular basis as indicated in IS 456:2000.
 In all cases, the 28 days compressive strength
specified shall be the criterion for acceptance or
rejection of the concrete.
WATER - CEMENT RATIO
 Water is key ingredient of Concrete
 Excess Water result in Weak Concrete
 Less Water result in Unworkable Concrete
 Quantity of Water used shall be as specified in Mix
Design.
 To obtain required Workability Plasticizers shall be
used as per the Directions of the Engineer-in-Charge.
CONCRETE SLUMP
 Recommended Slumps for PCC / RCC
 Plain Cement Concrete:50 to 75mm
 RCC Piles: 100 to 150mm
 RCC Footings: 10 to 25mm
 Columns & Beams: 25 to 40mm
 Roof Slabs (Thin sections): 40 to 50mm
 Sections with Congested Steel: 40 to 50mm
MIXING CONCRETE
For Design mix where site mixing is permitted
shall be with concrete mixtures with weigh batching
scale. Materials shall be weighed and batched in
mechanical weigh batchers as per specified
proportions of the approved design mix.
Materials requiring Volumetric mixing, wherever
permitted should be measured separately in boxes
of appropriate size before being mixed in the
specified proportions.
The concrete shall be mixed in machine mixer until
the mixture is of uniform color & consistency and
in no case , for less than two minutes.
 Mixer should not be loaded beyond its rated
capacity.
 Speed of the Mixer should be run at the
manufactured rating.
CONCRETE PLACING
 Concrete shall only be placed after the Engineer
has inspected the shuttering and reinforcement.
 After mixing, the concrete shall be transported
from the mixer to the position of placing as rapidly
as possible by appropriate mean without causing
separation and segregation of concrete,
maintaining the required workability.
 Concrete shall be placed and compacted before
initial setting of concrete commences and should
not be subsequently disturbed.
 Concrete shall be deposited as nearly as
practicable directly in its final position and shall not
be re handled in a manner which will cause
segregation and loss of materials, displacement of
reinforcement, shuttering and embedded inserts or
impair its strength.
 Concrete shall be placed in the shuttering by
approved implements and shall not be dropped into
place from a height exceeding 1 meter or handled in
a manner which will cause segregation.
 Concrete shall be deposited in successive horizontal
layers to a compacted thickness not more than 45
cm. These shall be placed as rapidly as practicable to
prevent formation of cold joints or planes of
weakness between each succeeding layer within the
pour.
 When concrete is conveyed by Chutes, the plant shall
be of such size and design as to ensure practically
continuous flow. Slope of the chute shall be so
adjusted that the concrete flows with the use of any
excessive quantity of water and without segregation
of its ingredients. The delivery end of the chute shall
be as close as possible to the point of deposit.
COMPACTION OF CONCRETE
 All concrete shall be compacted to produce a dense
homogeneous mass.
 Prior to beginning of concrete placement the
contractor shall make ready sufficient number of
properly operating Vibrators and Operators.
 Concrete after depositing should be compacted
thoroughly by means of mechanical vibration
 Vibrations shall conform to IS Specifications.
 Vibrators of Surface (Plate Vibrators), Immersion
Type (Needle Vibrators) shall be used.
 Concrete shall be thoroughly surged around the
reinforcement, around embedded fixtures and into
corner of form work.
 The Hardened concrete shall be free from voids and
cavities.
 Over Vibration result in Segregation of Ingredients
of Concrete.
 Under Vibration result in Voids and Cavities in
Concrete.
 Vibrators shall be operated by experienced ment.
 Immersion vibrators shall be inserted at points not
more than 45 cm apart.
 Immersion vibrators shall be withdrawn slowly.
 Blending and melding of the concrete between
successive layers shall be ensured.
 Vibrators contact with Reinforcement and Shutters.
Finishing & Protection:
The finished surface shall be uniform in texture
and free from screed marks or other imperfections.
The concrete surface shall be consolidated, smooth
screeded and leveled to produce even surface.
The fresh concrete shall be protected from
defacements, damage due to construction
operations, rain, sun and winds and from foot
traffic until concrete has hardened.
The prepared surface shall be approved by the
Engineer-in-Charge.
CURING
 Curing is the Maintenance of a satisfactory moisture content and
temperature for complete hydration in concrete for a period of time
immediately following placing and finishing so that desired properties may
develop.
 Curing has a Strong Influence on the properties of the Concrete.
 Proper Curing increase Strength, Durability, Water Tightness, Abrasion
Resistance, Volume Stability and Resistance to Freezing & Thawing.
 All exposed faces of concrete shall be kept continuously moist for a
minimum period of 28 days by spraying water at regular intervals or by
covering with gunny bags which shall be constantly sprinkled with water.
 For curing floors, flat roofs, concrete pavements and other level surfaces
the ponding method of curing shall be adopted
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CENTERING
Form work design, details and tolerances shall be confirmed
to IS:14687 and IS 456:2000.
Only Steel form centering shall be used.
Steel Forms with Surface Dents, Bulges, Undulations or
Holes shall not be used
Form work shall be substantially and rigidly constructed of
steel and shall be true to dimensions.
Form work shall be constructed to confine and shape the
concrete to the required shape, lines and dimensions
described.
Shuttering shall be erected true to line and securely braced,
cross braced, strutted and supported with props at close
intervals to prevent deformation under the weight of
pressured wet concrete and constructional loads, wind
pressure and other forces.
The face of form work in contact with concrete shall be
cleaned and treated with Release Agent.
All Shuttering joints shall be sufficiently tight to prevent
leakage of cement slurry.
• All faulty joints of centering shall be adequately
caulked (filling & sealing joints)
• Shuttering joints shall be closed with
• Standard Shuttering Oil, Engine Oil or Filtered Waste
Oil free from Carbon particles and impurities shall be
used as Release Agent.
• Release agents should be applied so as to provide a
thin uniform coating to the Forms without coating the
reinforcement.
• Stripping Time of Form Work as Per IS 456:2000
• Columns & Beams Vertical Forms
16 to 24 h
• Soffit Form Work to Beams:
7 days
• Props to Beams (up to 6.00m span)
14 days
• Props to Beam (above 6.00m span)
21 days
• Props to Slabs (up to 4.50m span)
7 days
• Props to Slab (above 4.50m span)
14 days.
REINFORCEMENT FOR RCC WORKS
Reinforcement shall be of High Yield Strength Deformed
(HYSD) bars of grade Fe 415 / Fe 500 confirming to IS
1786-1985.
Reinforcement shall be steel and shall be free from
corrosion, oil grease, paint and dirt at the time of fixing in
position and subsequent concreting.
Reinforcing steel bars shall conform accurately to the sizes,
dimensions and shapes given as per designs and drawings.
Bars shall be bent cold to the specified shape and
dimensions and the bars shall be hooked or bent accurately
and placed in exact position as per designs and drawings.
Bars of full length shall be used. Reinforcement shall be lap
jointed or spliced only in unavoidable. The overlaps shall be
staggered for different bars and located at points along the
span where neither shear or bending moment is maximum.
 Not more than 33% of the bars as specified in drawing
shall be lapped at one section.
 The Reinforcement shall be securely held in position
and bound together tight by annealed binding wire and
b y using stays, blocks or metal chairs, spacers,
hangers or other approved devices at sufficiently close
intervals.
 Reinforcement shall not be allowed to sag between
supports. Layers of bars shall be separated by spacer
bars or other approved devices.
 Stirrups, Ties, Links should be securely wired to the
main reinforcement.
 It shall be ensured that the bars are not displaced
during concreting or any other operation over the work.
 All bars protruding from concrete and to which other
bars are to be spliced and which are likely to be
exposed for an indefinite period shall be protected by
thick coat of neat cement grout to prevent from
corrosions.
 Reinforcement chairs shall be used to separate
bottom steel from the top steel and to maintain
corrective effective depth.
 Reinforcement chairs shall be slightly lesser size
so as to accommodate the chair underneath the
top steel and after allowing the required covers to
the top and bottom steel.
 The chair shall be minimum of 450mm long and
should have legs bent in opposite directions to
ensure stability.
 The chairs shall be placed on cover block so that
the legs do not stick out once the shuttering is
removed.
COVER BLOCKS
Before concreting, cover blocks shall be fixed in all
RCC works to separate the reinforcement from the
shuttering so that when the concrete is set the
reinforcement is well within the concrete section at a
distance from the outer face with specified cover to
reinforcement.
Cover blocks shall be reasonably good for using
appropriate grade of RCC work.
The mortar for preparing cover blocks shall be at
least be of proportion 1:2.
Cover blocks shall be prepared on clean and level
platform by separating the mortar in moulds of
required size and depth.
When the mortar is still green strands of tying wire
shall be inserted into each block. This wire is useful
for tying the block to the reinforcement.
 After 24 hours the cover blocks shall be removed
from the mould and cured for about seven days.
 A properly made cover block does not get crushed
when the reinforcement is tied over it and during
the concreting work.
 Clear Cover to Slab Reinforcement:
15mm
 Clear Cover to Beam Reinforcement:
25mm
 Clear Cover to Column Reinforcement:
40mm
 Clear Cover to Footing Reinforcement:
50mm
RCC SLABS
 The RCC Slab laid should leak proof.
 After centering is removed and curing period is
over the slabs shall be put to test by stagnating
water of 15 cm depth for one week and watched
carefully to test the leakages in any.
 If there are any leakages, the contractor shall
immediately rectify the same at his own cost and
again test the same to see that there are no
leakages.
 No payments will be made to the contractor on
this account either for testing or for rectification
thus carried out.
 The officer observing the leakage test shall issue
a certificate to this effect before final bill is made.
 After observing for two rainy seasons as defect
liability period if the roof or floor is found to be
perfectly leak proof and no moisture or dampness
is seen underneath at ceiling the slab, the
contractor can ask for refund of Deposits from the
department.
 The variation thickness of RCC Roof slab due to
varying spans or special covering materials should
not affect the general roof surface which should be
uniform.
 For all slabs to be laid to be laid MS hooks to be
provided as directed by the department for fixing
fans and lights etc.
 PVC pipes have to provided as directed by the
department in slab at the specified places for
running electrical wiring.
BASEMENT FILLING
 Basement shall be filled with suitable materials.
Cohesion less materials such as sand or stone
dust are suitable materials for basement filling.
 Basement filling shall be done in layers not more
than 15cm thickness.
 Consolidation shall be done by watering and
ramming until maximum density is achieved.
BRICK WORKS
All bricks to be used in the work shall thoroughly
soaked in water before use to prevent absorption of
water from the mortar.
The bricks shall be set in cement mortar (1:6)
proportion for basement and (1:8) proportion for
super structure by adopting a proper bond
(preferably either English Bond or Flemish Bond)
throughout the wall.
The walls shall be taken up truly plumb. All
courses shall be truly horizontal (level) and truly
vertical.
Vertical Joints of consecutive courses shall not
come directly over one another.
 Vertical Joints in alternate course shall come direct
over one another.
 Joints shall be fully filled with mortar and racked.
Each brick shall be laid with full joints of cement
mortar on it’s bed, ends and sides in one operation.
 No feeding of mortar by using excess water shall
be allowed.
 Half Brick masonry shall be constructed only in
stretcher bond
 Reinforcement for half brick walls shall be in the
form of MS bars and shall be of specified
quantities.
 Reinforcement for half brick walls shall be well
embedded in cement mortar at every third course
and half the joint thickness of mortar shall first be
laid and the other half laid after the reinforcement
is placed.
 The free ends of the reinforcement wherever
possible shall be pegged in the mortar joints of
main brick walls.
 Where the supports are not monolithic with beam
or slab the bearing surface shall be plastered with
Cement Mortar (1:3) with a craft paper laid over
the plaster before laying the concrete.
 The Vertical face of the masonry rebate at bearings
shall be plastered smooth with CM(1:3).
 For beams the craft paper shall be continued to the
sides, folding the paper neatly to the plastered
vertical face of the masonry opening.
 Lintel slabs shall allow resting on PCC Bed Blocks
on either side of opening.
PLASTERING


The surface shall be prepared by roughening of the
back ground and racking joints.


The surface of the wall shall be kept wet for 2 hours
before plastering

Guides (patches of 15cmx15cm) of required
thickness at not more than 2.00 meters intervals
horizontally and vertically shall be applied over the
entire surface truly in the plane and truly plumb to
serve as guides.


Plaster shall be started from the top and worked
down towards plinth.
 The work shall be tested frequently with a plumb
bob and straight edge.
 Mortar shall be dashed and pressed over the
surface and then brought to smooth and uniform
surface by means of float and trowel.
 The plaster shall be well pressed into the joints.
 All corners, junctions and arises shall be brought
truly to a line and plumb.
 The finished surface shall be watered for a period
of at least 10 days.
WATER PROOF PLASTER OVER ROOF
 On the clean wet surface of the concrete slab,
before it has set, a layer of cement plaster shall be
laid to give an average depth of 20mm over the
concrete.
 The mortar to be used shall be of CM(1:3)
proportion mixed thoroughly with a standard water
proofing material with water repelling properties to
ensure non absorption.
 Gauges should be put on the floor about 3.00 metes
apart to ensure even thickness.
 Plastering must be done in squares and thread
lining at interval 45cm x 45cm shall be done to
avoid cracks.
 After completing plastering it shall be covered with
two inches of grass or saw dust and kept wet for
three weeks.
Recommended Window sizes & sill heights
S.No.
Sizes
Sill heights
1
Bed Room
1000mm x 1300mm / 1200mm x 1300mm
510 mm
2
Living Room
1000mm x 1300mm / 1200mm x 1300mm
640 mm
3
Dining
1000mm x 1300mm / 1200mm x 1300mm
640 mm
4
Kitchen
1000mmx600mm / 1200mmx600mm
1000 mm
5
Bathroom
600mm x 600mm
1300 mm
Recommended Door Sizes
1 External Doors
: 1200MM X 2100 MM - with Double Shutters
2 Internal Doors in Living Rooms :
1000mm x 2100mm - with Single Shutter
3 Internal Doors in Bed Rooms
:
900mm x 2100mm - with Single Shutter
4 Internal Doors in Kitchen
:
800mm x 2100mm - with Single Shutter
5 Bath Room Doors
:
800mm x 2100mm - with Single Shutter
REQUIREMENT OF PARTS OF BUILDING
Heights & Distances
1
Minimum Plinth Level above NGL
450 mm
2
Minimum Ceiling Height (Normal Buildings)
3000 mm
3
Minimum Ceiling Height (Educational Buildings)
3600 mm
4
Minimum Head Room under False Ceiling
2400 mm
5
Minium Ceiling Height (Bath Rooms)
2000 mm
6
Parapet Wall Minium Height
1050 mm
7
Top of Railing in Balcony
900 mm
8
Top of Staircase Railing
850 mm
9
Kitchen Platform Height
800 mm
10
Clearance Below Kitchen Platform Slab
680 mm
11
Height of Kitchen Sink Top Edge
740 mm
12
Front Top Edge of Wash Basin
850 mm
13
Lip of Urinal for Gentlemen
700 mm
14
Top of Urinal Partition
1300 mm
15
Bottom Edge of Mirror behind Wash Basin
1300 mm
Heights & Distances
16
Bottom of Shower Rose
2000 mm
17
Stop Cock for Shoer Rose
1000 mm
18
Tap near Water Closet
220 mm
19
Tap in Bath Room
700 mm
20
Tap near Kitchen Sink
400 mm
21
Projection of Tap in Bath Room
200 mm
22
Projection of Shower in Bath Room
500 mm
23
Distance b/n Center of WC and Wall
450 mm
24
Minium Space in front of WC
600 mm
25
Minimum Space in front of Wash Basin
650 mm
26
Bottom of Switch Board
1350 mm
27
Bottom of AC Socket
1800 mm
28
Bottom of Distribution Board
1800 mm
29
Bottom of Ceiling Fan
2600 mm
30
Min. Clearance between Ceiling & Ceiling Fan
300 mm
REQUIREMENT OF PARTS OF BUILDING
STAIR CASES
I)
II)
III)
IV)
Minium Width
:
For Residential Buildings
:
1000 mm
For Assembly Buildings
:
1500 mm
For Education Buildings
:
1500 mm
For Institutional Buildings ( Hosptial Etc.)
:
2000 mm
Minimum Tread Width
:
For Residential Buildings
:
250 mm
For Other Buildings
:
300 mm
Maximum Riser Height
:
For Residential Buildings
:
190 mm
For Other Buildings
:
150 mm
Maximum No. of Risers per 1 Flight
:
15 No.
SIZES OF RAIN WATER PIPES FOR ROOF DRAINAGE
Average Rate of Rainfall in mm/h
Diameter
of Pipe
Roof Area in sq.meters
50 sq.m
75 sq.m
100 sq.m
125 sq.m
150 sq.m
200 sq.m
50
13.40
8.70
6.60
5.30
4.40
3.30
65
24.10
16.00
12.00
9.60
8.00
6.00
75
40.80
27.00
20.40
16.30
13.60
10.20
100
85.40
57.00
42.70
34.20
28.50
21.30
125
-
-
80.50
64.30
53.50
40.00
150
-
-
-
-
83.60
62.70
i) Recommended Slop of Terrace Slab:
1 in 100 or Steeper
ii) Recommended Spacing of Outlet Pipes:
6.00 meters c/c
iii) Recommended Slab Projection Beyond Face of Wall: 300 mm
SANITARY & WATER SUPPLY
S.No.
Description of Item
APSS Specification
No.
IS Code
1
Glazed Stone Pipes (Sanitary
Lines)
1301 & 1318
IS: 651 & IS: 4127
2
SWR Pipes (Sanitary Lines)
1307 & 1323
IS: 13592 & IS: 7634
3
CPVC (Water Lines)
-
IS: 15778
4
Sanitary Inspection Chambers
1325
IS: 1742
5
Glazed Fire Clay Sanitary
Appliances
1326
IS:771
RECOMMENDED SLOPES FOR SELF CLEANING VELOCITY
1 For 100mm Dia. Pipes
1 in 40
2 For 150mm Dia. Pipes
1 in 60
3 For 250mm Dia. Pipes
1 in 90
IMPORTANT IS CODES - BUILDING ITEMS
S.No.
1
2
3
4
5
6
7
8
9
10
11
12
Specification
Cement - 43 Grade
Cement - 53 Grade
Coarse Aggregates
Fine Aggregates
Sand for Mortar
Sand for Plastering
Common Burnt Clay Bricks
Fly Ash Bricks
Aerated Autoclaved Cellular
Concrete Blocks
Mile Steel
HYSD Steel
Structural Steel
IS Code
IS 8112:1989
IS 12269:1989
IS 383:1970
IS 383:1970
IS 2116:1980
IS 1542:1992
IS 1077:1992
IS 12984:2002
IS 2185 (3): 1984
IS 432:1982
IS 1786:1985
IS 226:1975
S.No.
Specification
IS Code
13
Detailing Reinforcement
IS 5525: 1969
14
Ceramic tiles
IS 13712:2006
15
Water
IS 3025:1986
16
Under Reamed Foundation
IS 2911(3): 1980
17
Shallow Foundations
IS 1904:1986
18
Plain & Reinforced Cement
Concrete
IS 456:2000
19
Concrete Mix Design
IS 10262:1982
20
Concrete Admixtures
IS 9103:1999
21
Brick Masonry with Clay Bricks
IS 2212:1962
22
Methods of Measurements
IS : 1200
23
Architectural Drawings
IS 962:1989
STANDARD SPECIFICATION FOR BUILDING ITEMS
S.No.
Specification
APSS
Specification
I
MATERIALS
1
Common Burnt Clay Bricks
102
2
Sand
110
3
Cement
112
4
Tiles
121
5
Seel for Reinforcement
126
6
Steel for Structural Work
127
7
Water
129
8
Teak Wood
130
II
WORKS
1
Excavation for Foundations
308
2
Filling Foundations
309
3
Filling Basement
310
4
Cast in situ Pile Foundations
313
STANDARD SPECIFICATION FOR BUILDING ITEMS
APSS
SL.No.
Specification
Specification
5
Plain Cement Concrete
402
6
403
501 & 504
8
Reinforced Cement Concrete
Brick Masonry with Cement
Mortar
Reinforcement Half Brick Walls
9
Flooring with Polished Shahabad
701 & 703
10
Fooring with Glazed Tiles
701 & 707
11
Granolithic Concrete Flooring
701 &710
12
Plastering with CM Single Coat
901 & 903
13
Plastering with CM Two Coats
901 & 904
14
Water Proof Cement Paintings
912
15
Wood Doors &Windows
16
Painting with Enamel Paint
1212
17
Painting with Plastic Emulsion
1216
18
Aluminum Doors & Windows
1609
7
501 & 509
1001 & 1002