TYPES OF BUILDING DRAWINGS – AND DETAILS REQUIRED AT SITE

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The types of building drawings required for the execution of projects are prepared by the Architect. Structural consultant and other consultants.

While a consultant is capable of developing concepts for the project types of building drawings and designs, Architects Consultants with wide field experience are able to give better and detailed drawings.

types of building drawings
required details enable the site engineer to execute his work with speed, accuracy, and quality.

TYPES OF BUILDING DRAWINGS - AND DETAILS REQUIRED AT SITE
TYPES OF BUILDING DRAWINGS – AND DETAILS REQUIRED AT SITE

DETAILS OF BUILDING DRAWING

  1. In case of insufficient details in a drawing, the site engineer/site in-charge should get his doubts clarified from the architect/Consultant.
  2. If due to workload, contacting the Architect or Consultant for minor detailing is not possible. the ‘assumption factor’ comes into the picture.
  3. The assumption factor varies from engineer to engineer and may alter the basic concept of the particular work.
  4. This in turn may lead to re-doing the work, ultimately causing heavy losses to the company and discouraging exposure to the site engineer.
  5. Therefore, the engineer should prepare a list of the drawings with details that are required for the execution of the project. 
  6. And he should collect all the detailed types of building drawings the Architect Consultant before the execution of a consultant is from the Architect/Consultant before the execution of a consultant is capable of developing any work.
  7. In this chapter, we will consider the guidelines for minimizing the assumption factor. For this, we will take a closer look at the details required in working drawings, keeping in mind the actual field problems.
  8. The Architect/Consultant should give formation levels of all the structures when the latest actual demarcation and contour survey drawing is given to the Architect by the company. This should be done with the entire project and the overall proposed development works in mind.
 

TYPES OF BUILDING DRAWINGS – AND ITS DETAILING

 
This list of drawings acts as a guideline for the Architect  Consultant while preparing the detailing before any drawing is made. The requirement of drawings may vary from project to project.

Following is the list of the types of building drawings required for building construction projects.


1. DEMARCATION DRAWINGS

There are two types of demarcation drawings

CITY SURVEY DEMARCATION AND ACTUALDEMARCATION

  1. Every site should have a copy of the city survey demarcation drawing.
  2. It is a reference to prepare actual demarcation drawings.
  3. Actual demarcation is prepared by theodolite or plan table survey after verification of boundaries as per the city survey demarcation drawing and existing known boundaries.
  4. This drawing should include the following information.
  5. All site boundaries of the land in possession.
  6. The dotted mesh of boundaries as per the city survey demarcation drawing.
  7. The shaded area of land showing encroachment, if any.
  8. Existing water bunds, bore-wells, electrical poles, telephone poles, approach road, temporary roads, hutments, existing trees with details. (g type, height, diameter, etc.) 
  9. High tension electrical lines.
  10. Existing walls.
  11. Nearby drainage line and water line.
  12. Nearby nalla/canal.
  13. Any disputed boundaries.
  14. Any other existing structures.

 

2. CONTOUR SURVEY DRAWING

To begin with, the temporary benchmark (T.B.M.) of R.L. Say 100.000 should be fixed at a convenient place at the site. This T.B.M. is then shifted to other convenient places to facilitate leveling work.

  1. This drawing should have the following information :
  2. Levels of total plot in fixed grid interval.
  3. Details of levels for sudden considerable up-downs in between fixed grids.
  4. Levels of roads, culvert, nalla bed levels, and high flood level.
  5. Nearest drainage line with chamber invert level.
  6. Top of well, depth of well with water level marking.

Note: Actual demarcation and contour survey drawings are generally prepared by the builder owner with the help of a survey agency. The types of building drawings should be submitted with the Architect well in advance.

3. LAYOUT AND WORKING DRAWINGS FOR TEMPORARY STRUCTURES
  1. Show the position of all buildings.
  2. Position of the compound wall.
  3. Temporary steel yard/general material yard/store room Cemebgodown/site office/watchman cabin/labour huts/ material stacking place etc.
  4. Temporary electrical lines/ points for proper illumination of the area with minimum street lights/tube lights.


Note: The above drawing should be given the Architect after discussion with the project in-charge.

4. TEMPORARY WATER LINES, ELECTRIC, AND ROAD LAYOUT

 

  1. Show project layout with building location.
  2. Show the location of the temporary water storage tank.
  3. Show proper water supply network from storage place to different buildings.
  4. Show location for temporary electric meter and electric supply details.
  5. Show temporary internal road details connected to the approach road.

Note: The above drawings should be given by the Architect consultant in consultation with the project in-charge. 

5. DEVELOPMENT DRAWINGS
 

The Architect Consultant should submit the following drawings at various stages of development of the project, along with other construction work. Details are as follows

 

COMPOUND WALL DETAILS
  • Layout
  • Section
  • Top RL. (reduced level)
  • Specifications and working drawings
compound wall details
compound wall details

FRONT GATE (Main Gate)

  • Position
  • Elevation
  • Section
  • Specification
  • Working details
  • R.C.C. details
  • Opening details
  • Electrical arrangements
  • Space for writing project name and details of letters to be used

 

UNDERGROUND WATER TANK AND PUMP ROOM
  • Layout
  • Detailed working drawings
  • Capacity
  • Sections
  • Inlet/outlet/overflow/suction pit details and levels
  • Pump position/manhole position/ladder position
  • F.F.L from ground
  • RL’s with respect to T.B.M.

 

SEPTIC TANK
  • Layout positions
  • Detailed working drawings
  • Section through soak pit and filter chamber
  • Specifications
  • All compartment bed levels and top slab levels

6. ARCHITECTURAL WORKING DRAWINGS

The Architect/Consultant should give all the necessary types of building drawings as listed below, with details of each building component.

MUNICIPAL DRAWINGS

Should show total layout details as per Municipal rules and regulations. It should also have all the necessary area statement of the project. This is required for getting the plan sanctioned.

 

WORKING DRAWINGS

These types of building drawings are required at the site for the execution of actual building works. Various detailed working drawings are
required as mentioned below-

PROJECT LAYOUT DRAWINGS

  1. North Direction.
  2. Side marginal spaces and critical setbacks.
  3. Show the arrangement of buildings with consideration of expansion joint thickness as required.
  4. Mark the distances between the buildings with due consideration for expansion North Direction. joints.
  5. Specify the outer measurements of the buildings.
  6. Give distances of reference points for buildings from existing permanent structures, pole/road, etc. Give details of steps, ramps, asphalted areas, parking plans with clear dimensions, and levels.
  7. Internal road widths and details.
  8. Underground water tank position and sizes.
  9. Septic tank position/sizes.
  10. Garden location along with details of a plantation.
  11. Open space details, as per the requirements of local authorities.
  12. All internal development details.
  13. Society office.
  14. Pump room.
  15. Compound wall position.
  16. Front gate details.
  17. Transformer position.
  18. Playground layout along with the position of playground equipment,
  19. Watchman’s room.
  20. Proposed existing bore-well.
  21. Existing well position with size.
types of building drawings used in Building Construction 



BUILDING WISE WORKING DRAWINGS 

CENTER LINE DRAWING

  • Approved center line plan (with due consideration of expansion Joint thickness)
  • Show the reference axes of 00.00.
  • Show the footings with scale to avoid overlapping.
  • Specify the size and orientation of the column at the footing level.
  • Specify the fixed face and reduction arrow of the columns.
  • Basic center line drawings must be below the plinth.
  • Consider internal walls 15 cm (6″) thick Instead of 0 cm (4″) thick in case of half brick wall.

 

PARKING DETAILS
  1. Mention F.F.L. (floor finish level) of parking with reference to the road.
  2. Give flooring details.
  3. Show exact parking layouts.
  4. Show plaster finish treatment to columns and ceilings.
  5. Give entrance details from the road to the plinth.
  6. Show location of washing place/common toilet (if any).
  7. Details of meter box along with position and size.
  8. Section through parking area showing slopes.
  9. Parking allotment for cars and scooters Details of color scheme for ceilings and columns.
  10. Location of letterboxes and the location of the flat holders’ name board.
  11. Details of masonry work in parking to carry vertical plumbing stacks.
  12. Details of electrical points.

 

GROUND FLOOR PLAN TYPICAL FLOOR PLAN

 

  1. Give the room dimensions along with wall thickness.
  2. Show the positions of doors and windows with a width of the opening, distance from the sidewall, opening direction, and sill level of a window from F.F.L.
  3. Specify the types of tiles/flooring to be used.
  4. Show and mention the lines of floor finish changes and drop in the tile.
  5. If open ducts exist, details of closure should be given.
  6. Mention the number of steps in flight, details of tread, and riser with finishing.
  7. In the case of basement, top-level, and shahabad box type waterproofing to be given along with details of the gutter and collecting sump.
  8. Give the details of shopping steps with finishes and due consideration for ventilation of the basement (if any).
  9. Loft position in all flats along with levels.
  10. Give the size d tread, landing top levels.
  11. of all landings, Wt pt with sidewalls, etc.
  12. Position of kitchen otta with sink and levels of kitchen otta sink.
  13. Give the finished floor top levels of each floor with reference to 0.
  14. In case of round balconies or arches mention the radius of the arch
  15. Show the details of the flower bed with dimension.
  16. Mark all sunk portions in working drawing as a shaded area.
  17. ventilators and any other openings.
  18. Indicate proper differentiation for different types of masonry along with the thickness.
  19. Show Internal layout of WC/ bath and toilet.
  20. Show details of level difference from room to balcony and room to W.C. bath.
  21. Show balcony water spouts, W.C./bath escape spouts location, and levels.

 

TERRACE LEVEL PLANMACHINE ROOM O.H.W.T. STAIRCASE CAP

 

  1. Show slopes of terrace with the location of the rainwater outlet.
  2. Give details of waterproofing work over the terrace and top finishing details.
  3. Lift machine room/staircase cap details along with the location of the doors.
  4. Give the levels of the lift machine room and overhead water tank.
  5. Details of size, capacity.outlet of the overhead water tank.
  6. Details of waterproofing work for an overhead water tank.
  7. Details of waterproofing work for staircase cap and lift machine room top.
  8. Details of the expansion joint treatment at terrace levels.
  9. Details of light points at terrace levels.
  10. Details of lift machine room along with the position of trap door (if any), ladder fr.r machine room, doors, and windows.
  11. Details of lights for the terrace.
  12. Details of the location of the common TV antenna.
  13. Details of finishing work for the terrace Pardi/masonry of parapet wall etc.
  14. Details of the ladder for climbing to the top of the overhead water tank.

 

SECTIONAL DRAWINGS

 

  1. Mention the finished floor levels of all the stories.
  2. Mention the height of the sills, doors, windows, openings, lofts, and rolling shutter clearly from the finished floor levels.
  3. Show and give details of elevations, cornices, drop Pardi and projection of slab at terrace level with reference to the building line.
  4. Specify the thickness of waterproofing treatment for toilets terraces.

 

SECTION THROUGH STAIRCASES

 

  1. Mention the number of steps in each flight, details of treads, risers with finishes.
  2. Give the details of staircase railing, water tank, and parapet walls along with the height.
  3. Show the F.F.L. of all the floors and landings.
  4. Give R.L.’s of landings and waterproofing treatment for the staircase cap.
  5. Show the position of the railing and its supports. Give the details of openings from the staircase.
  6. window opening in the staircase and lift machine room.
  7. Show the position, type, and sill level of the R.C.C. grills to be provided in the staircase.

 

ELEVATIONAL DETAILS (FRONT AND SIDE)

  • Show the details of elevational features with dimensions.
  • In the case of arches give the radius of the arches.
  • Show and give the details of grooves, cornices, flower beds with respect to ±0’0″.
  • Give R.L.’s of floors and floor to floor heights of the building.
  • Show the height of pardies, drop, inverted pardi, etc.
  • Show plaster Patta width floor wise.
  • Plastering detail drawings for elevation.
  • Front elevational treatment complete details.

 

DOOR AND WINDOW DETAILS
  1. Door frame shutter drawing, schedule with fixtures, and fastenings with their heights.
  2. Windows’ drawings with their schedule for fixtures and fastening.
  3. Rolling shutter details.

 

ALUMINIUM WINDOWS

 

  1. Show the position of windows on the wall inside and outside with respect to the room.
  2. Give the details of aluminum frames, tracks, aluminum shutters, etc.
  3. Show the vertical sections of the aluminum window with the following details.
  • Sections of the aluminum door frame and shutters.
  • Details of all sill slopes
  • Thickness of glass
  • Opening of A.C. Units (if aný)
  • The total height of aluminum windows
  1. Height of window sill to be clearly specified in the elevation.
  2. Give the detailed positions of pivots, c/c distance of pivots (both vertical and horizontal).
  3. Give the details of holes for accumulated rainwater to flow out of tracks.
  4. Give details of locking arrangements.
  5. Give details of grills (if any).

DOORS

Give the elevations of all types of doors, with a specification of frame, shutter, arch, cover moulding, etc.

Give the sectional plan of door frames, with details like the size of the frame, position, size of grooves, details of shutters, vertical section of the door frame, plaster grooves, etc.

 

STANDARD HEIGHTS OF FITTINGS FOR MAIN DOOR

 SR NO
 FITTING DETAILS
 HEIGHT FROM F.F.L
 POSITION OF FITTING
 1.
A
 MAIN DOOR INSIDE
TOWER BOLT 15CM (6″)
 TOP FLUSH TO TOP OF SHUTTER
 5CM (2″) FROME OPENING EDGE OF SHUTTER
 B
 SAFETY CHAIN
 145 CM (58″)
 5CM (2″) FROME OPENING EDGE OF SHUTTER
 C
 EYE PIECE
 145 CM (58″)
 AT CENTRE OF SHUTTER
 D
 HANDLE D TYPE BOTTOM
 120 CM (48″)
 6.5 CM (2 1/2″) FROME OPENING EDGE OF SHUTTER
 E
 NIGHT LATCH
 100 CM (40″)
 OPENING EDGE OF SHUTTER
 F
 TADI PATTI
 85 CM (34″)
 AT THE OPENING OF EDGE
 G
 RUBBER GATTU
 7.5 CM (3″)
 7.5 CM (3″) FROME OPENING EDGE SHUTTER
 2.
A
 OUTSIDE
UNIT NUMBER PLATE
 175 CM (70″)
 CENTER OF SHUTTER
 B
 NAME PLATE
 167.5CM (67″)
 CENTER OF SHUTTER
 C
 DECORATIVE HANDLE BOTTUM
 110 CM (44″)
 7.5 CM (3″) FROME OPENING SIDE EDGE OF SHUTTER
 D
 ALDROP
 90 CM
 AT THE OPENING EDGE
 E
 DOOR STOPPER
 AS PER REQUIRMENT
AT THE OPENING EDGE

Give the table of fixtures and fastenings.

The position of fixtures and fastening should be shown as per table No. 7.1 to 7.4 for door frame height (2100 mm).

All the heights of fittings should be shown on the drawings to maintain similarity throughout the work. The recommended height
of fitting may be as per table Nos. 7.1 to 7.4.

KITCHEN OTTA DETAILS

 

  1. Show all details of kitchen otta finishes.
  2. Show top levels of otta, sunk from F.F.L. of a kitchen.
  3. Show details of glazed tiles dado work for kitchen otta.
  4. Show sink waste outlet detail.
  5. Show all arrangements for kitchen otta including the type of material for vertical, horizontal, and shelf members, etc.

 

TOILET DETAIL DRAWINGS

  1. Layout showing slopes.
  2. All plumbing points details.
  3. Specification/fittings requirement.
  4. Levels/heights of fittings.
  5. Details of flooring work with the slope.
  6. Detail of glazed tile dado works to sidewall.
  7. Wash Hand Basin fixing details.

 

PAINTING DETAIL DRAWINGS

 

  1. The internal layout of one typical flat with the required color combination.
  2. Colour and painting details for staircase and landing.
  3. Painting details for parking and entrance.
  4. Painting details for the external surface of the building including terrace and overhead water tank.
  5. Painting details for the project.
  6. Painting material specification.

 

7. R.C.C. DRAWINGS BUILDING CONSTRUCTION

The structural consultant for the project will give the following R.C.C. drawings details after studying all architectural drawings and necessary consultations with the Architect and project in-charge.

  1. Footings, columns drawings, index, and schedule.
  2. Plinth beam/tie beam drawings.
  3. Parking slab drawing.
  4. Typical floor slab drawings.
  5. Mezzanine slab if any/ground floor slab details.
  6. Terrace level slab details.
  7. Staircase cap, O.H.W.T., machine room slab detail.
  8. Drawings of U.G.W.T./septic tank/lift shaft /watchman cabin/pump room/L.T. room.
  9. Drawings of lofts, lintels, and chajjas.

 

R.C.C. WORKS INVOLVED IN

  1. Compound wall
  2. Retaining wall
  3. Pile foundation
  4. Front gate
  5. Garden wall and arch
  6. Swimming pool
  7. Changing room
  8. Filtration plant
  9. Stormwater drain including covers etc.

 

R.C.C. AND OTHER DETAILS OF SOME CRITICAL STRUCTURES SUCH AS –

 

  1. Basement raft and side parties.
  2. Lift shafts, bottom slab, and side pardi details.
  3. Machine foundations.
  4. M.S. staircase and ladders.
  5. Slab on well, nalla and culverts.
  6. Decorative towers, floating columns. decorative columns for lighting etc.
  7. Decorative R.C.C. grills.
  8. Lightweight masonry details.
  9. Critical waterproofing designs of structures.
  10. Any other specific extra amenity details, Expansion joints, etc.

 

8. PLUMBING AND DRAINAGE DRAWINGS BUILDING CONSTRUCTION

The plumbing work consultant will discuss all specifications of the project with the Architect and the project in-charge. Based on his study and the discussions, he will prepare the total plumbing details for the complete project. The drawings submitted by him will be’as follows

  1. Stormwater drawing
  2. Drainage drawing
  3. Water supply lines
  4. Standard recommended heights of plumbing fittings
  5. Septic tank
  6. O.H.W.T.
  7. U.G.W.T.
  8. Terrace level distribution for pipeline
  9. Internal plumbing work details
  10. Any specific details required.
  11. Pump details
  12. Pump room arrangement details.
  13. Fire fighting systems details.
  14. Any other structure required to carry
  15. plumbing systems.
Swimming pool (if provided) details regarding plumbing requirements/ filtration plant details.
9. ELECTRICAL DRAWINGS

The Architect will submit detailed electrical drawings after discussions and approvals from the electrical consultant and project in-charge.

The details are as given below

  1. Electrical layout in the premises with location, levels of points, and switches.
  2. Position of distríbution box feeder pillars.
  3. Road lights position.
  4. Cable laying position below the road.
  5. Transformer details and locations.
  6. Light points in the entire area.
  7. Complete cable layout.
  8. Meter board position of each building Earthing position of each building.
  9. Busbar and specification.
  10. Cable sizes.
  11. Detailed positions of the meter box, main cable layout, and external lighting schemes.
  12. Mention the three-phase connection on the distribution box with some indications in three colors of wires.
  13. Common TV/VCR room/ position and the separate mark of the different base.
  14. Internal room wise electrical point details for flats with levels and locations. 

10. TV TELEPHONE DRAWINGS

  • Location of TV/VCR room.
  • Cable laying details up to each building.

STANDARD HEIGHTS OF PLUMBING FITTINGS 

 SR NO  PARTICULARS  RECOMMENDED HIGHTS FROM F.F.L
(FINISH FLOOR LEVEL)
 1  WALL LIGHT POINT  230 CM (90″)
 2  CELLING POINT  CENTER OF THE ROOM AS PER
ARCHITECTURE DRAWING
 3  BOTTOM FO SWITCHBOARD WITH
LIGHT FAN SWITCHES REGULATOR
5AMP SOCKET AND 15 AMP SOCKET
 135 CM (54″)
 4  PLUG POINT, TV AND TELEPHONIC
POINT IN LIVING ROOM
 45 CM (18″)

 

  • Distribution boxes for telephone connections in front of each building.
  • Vertical conduit details for TV/Telephone wiring for each building.
  • Location of satellite dish antenna for the project. (if any)

 

KEYNOTES  NECESSITY FOR CHECKING OF BUILDING DRAWINGS

1. NECESSITY FOR CHECKING OF DRAWINGS

 

  1. Often, the site engineer requires types of building drawings for a particular work stage from the Architect.
  2. The Architect/Consultant may delay the preparation of drawings, in turn delaying the work due to the non-availability of the drawings.
  3. Once on-site, the drawings are not studied/ checked in detail due to the workload. The execution of the work then begins as per the available drawings.
  4. As a result, printing mistakes or those caused by sheer oversight may result in the demolition and rectification of the works at a later stage.
  5. Therefore pre-checking and detailed study of the drawing is a must.
  6. To avoid any problems and rectifications the Engineer should ask for the types of building drawings required. from the Architect/Consultant well in advance.
  7. An Architect has his own style of detailing the drawings. But the engineers, expectations of detailing might be universal in a particular organization.
  8. This can be done, provided the construction company gives standard guidelines regarding the details required in each drawing.
  9. While preparing the first drawing, the Architect will put up the details as per the given specifications to avoid rejections/repeated mistakes in the types of building drawings.
  10. Practical experience shows that many civil engineers face difficulties during the execution of the work at the site, due to lack of sufficient detailing in drawings.
  11. These factors emphasize the need for detailed working drawings to ensure smooth and efficient completion of the project.

2. POINTS TO BE OBSERVED WHILE CHECKING OF BUILDING DRAWINGS

LAYOUT DRAWINGS (PROJECT)

  1. Nameplate as per the specified form.
  2. Project name, drawing title, subtitle, and scale.
  3. North direction.
  4. Boundaries as per the latest site demarcation (theodolite survey) given to the Architect by site engineers.
  5. Existing tree locations.
  6. Existing well, bore-well, electric pole. telephone pole, overhead existing telephone, and electrical lines, overhead high tension line, hutments, and all other structures marked on the theodolite survey drawing.
  7. Building setbacks, other buildings or structure obstructing structures, sufficient set back for septic tank, etc.
  8. Road, septic tank, U.G.W.T., bore well, pump-room, garden, transformer room, society office location, size, details, etc.
  9. Check the sizes of a septic tank and U.G.W.T. in consultation with the plumbing of the existing consultant.
  10. R.L.’s of road top, flat plinth, parking, garden top, steps details, shop R.L., septic tank top, L.T. room plinth, society office, top of
  11. U.G.W.T., main entrance road, T.B.M. location, etc.
  12. Location of compound wall, front gates, size, and type of compound wall.
  13. Expansion joint provided at required distance and continuity.
  14. Layout for temporary structures/sheds also to be checked.
  15. Any shed like site office, steelyard, material yard, watchman’s cabin should be obstructed for forthcoming buildings.
  16. All these structures to be centrally located as far as possible. Watchman’s cabin should be near the main gate.
  17. Sizes of all the above structures in the project.
  18. These structures should be in open space or as directed by the Architect, without disturbing up to a minimum of two years.
  19. Sizes of buildings in layout to be as per working drawings or approved drawings.
  20. Structure height in respect of G+2 and parking +3 etc. to be mentioned.

WORKING DRAWINGS

Following points to be observed while checking working drawings

  1. North direction.
  2. Nameplate as per the specified form.
  3. Project name, drawing title, subtitle, and scale.
  4. Whether sizes are as per printed brochure.
  5. Flat numbers as per printed brochure.
  6. Brick/block walling convention.
  7. Chalja at the terrace level shown in dotted on all plans.
  8. Levels with respect to T.B.M. for all plans on a plinth, parking, landing, mid-landing, etc.
  9. The direction of a door opening.
  10. The direction of the bath W.C. door opening.
  11. Duct dimensions and open area dimensions.
  12. Column reduction arrows.
  13. Centreline checking
  14. Size of a column at footing level
  15. All open duct, space, and staircase
  16. detail direction
  17. All room sizes as per brochure
  18. Wall thickness
  19. Column reduction arrows
  20. Dotted lines for chajja, rolling shutter Pardi, drop pardi, etc.
  21. Kitchen otta position with sink sizes.
  22. Loft position and width.
  23. Balcony, W.C., and Bath drop.
  24. All windows, door frame openings, rolling shutter, R.C.C. grill sizes, schedule, exhaust fan opening, and balcony grill openings.
  25. Specification details in brief.
  26. W.C./bath/toilet/terrace sunk to be shown shaded.
  27. Terrace drains, slopping patterns, and rainwater pipe opening locations.
  28. O.H.W.T. position/lift room position.
  29. Lift shaft sizes.
  30. Staircase pardi thickness.
  31. Riser/tread of staircase.
  32. Parking drawing (physical movement of vehicles should be considered).
  33. Column position sizes as per R.C.C. drawing.
  34. Washing place location in parking. Entrance details for plinth side flats.
  35. Meter cabinet location.

SECTIONS DRAWINGS

  1. Levels of all shops plinth, parking at every floor, and mid-landing.
  2. Chajja, steps, plaza etc.
  3. Road to parking entry details.
  4. Floor to floor heights.
  5. Sunk details.
  6. Parapet height and finishes.
  7. Details of staircase cap and machine room.
  8. Plaster details of all corners window sills, chajjas, grooves plaster pasta, etc.
  9. Floor to floor height level.

R.C.C. DRAWINGS

Following points should be observed while checking the R.C.C. drawing

  1. To be read as per working drawings. Check the steel at cantilevers etc.
  2. Sunk slab/W.C.toilet bath.
  3. Headroom at a specific level (beam depth and change in beam depth).
  4. Dowel for adjacent structure.
  5. Details of the column below the overhead water tank.
  6. Check elevational features.
  7. Inverted beam for W.C./bath etc.
  8. Loft details to be taken along with the beam.
  9. Floating columns details.
  10. Terrace level chajja steel details.
  11. Reinforcement at critical points.

 

TYPICAL NAMEPLATE FOR DRAWING

 

Every drawing should carry the nameplate at the bottom right corner. Details like the title, project name, revision, etc. should be indicated by the nameplate so that the fold of drawings need not be opened. A typical nameplate for types of building drawings is shown in Figure.

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