Building drawings checklist : architectural drawings

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Building drawings checklist : architectural drawings

Strelka, C. S.

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IRC

PUB

BUILDING DRAWINGS CEECKL~ST~ AXCIIITECTURAL DRAWINGS by

Charles S, Strelka

~ N A L Y Z E D ,

DrLvision of Building Research, national Research Council Canada

N R C - C I S T I

BLDG.

RES.

1

L I B R A R Y

BUILDING

DRAWINGS

by

C.S. Strelka

PREFACE

This drawing checklist provides architects with a convenient t o o l

f o r the f i n a l review of drawings prepared under t h e i r s u p e r v i s i o n ,

Since this list is a general one, it cannot c l a i m to cover all t h e special situations which can o.ccur in practice; nevertheless it s h w l d

prove helpful as a b a s i c guide. Users o f this checklist are strongly

urged, before p u t t i n g it to use, to consult t h e Canadian National

Standard CAN 3-H 78.3-M77 Building Drawings (published by and available

from t h e Canadian Standards Association, 178 Rexdale Blvd., Rexdale,

Ontario) or the Manual on Metric B u i l d i n g Practice (published by and

a v a i l a b l e from the D i v i s i o n of Building Research, National Research

Council of Canada).

Part

I

serves as a remtnder of various items t o the person checking the

drawings. The matter of "crispness of drawing", for example, cannot be overemphasized, particularly in plans drawn at 1:100 scale where

c o m p o s i t e wall canstructf,on is envisaged.

Part I1 presents, in tabulated form, a checklist sheet far every sheet in a traditional set of working drawings. These tables can be

photocopied and attached to t h e appropriate drawfngs during the checking stage. Free space f s provided on most of the sheets f o r additional

items. Using t h e tables will thus simplify the process of reprinting check sets and/or establishing permanent records of all verifications and

approvals. They can a l s o supplement computer-aided design (CAD) sof mare.

The architect must critically revfew h i s own work before releasing it to a contractor f o r execution. It is his professional responsibility,

an obligation t o his c l i e n t and the key to a good business reputation.

The author wishes to thank Dr. Alan 3. Wilson, of the L i v e r p o o l Folytechnfc, England, for h i s many u s e f u l suggestions on t h e preparation

of t h i s paper.

*The o r i g i n a l title "BUILDINGS DRAWINGS CHECKLIST" has been changed t o

TABLE OF CONTENTS PART Z CHECKING DIMENSIONS SCALES SITE PLAN FOUNDATION PLAN FLOOR PLANS ROOF PLAN ELEVATIONS

LONGITUDINAL AND CROSS-SECTIONS WALL SECTIONS

STAIR DETAILS

MISCELMNFiDUS METAL DETAILS WINDOW DETAILS AND SCHEDULE

ROOM FINISH SCHEDULE

DOOR AND FRAME SCHEDULE

PART I1 LANDSCAPING

PLAN

STAIRS AND

ELEVATORS

WINDOW DETAILS

SCHEDULES

CBECWNG DIMENSIONS

The dimensioning method should be consistent, meticulous and i n

accordance w i t h the I-Jatforial Standards of Canada CAN 3-B 78.3-M77 Building Drawings.

1.1 Linear dimensions should be expressed

in

b u i l d i n g drawings, and in metres (m) on site plans. According to

the standard convention 5n drafting, the unit symbol can be omitted

if the f o l l m i n g requirements are m e t :

a) a note i n d i c a t i n g the u n i t used is d i s p l a y e d in a conspicuous

place on the drawing s h e e t ;

bl a l l linear dimensions including those for spot levels and land elevation contours are given in one dimensioning u n i t only. For easier readlng, group the d i g i t s in t r i a d s on both s i d e s of the

decimal marker (e.g., 123

456

(e'g., 1.235, 1.000).

1.2 Area dimensions should be expressed fa:

a) hectares (ha) for areas on survey plans, plans of subdfvLsfons and l o t p l a n s to three decimals (e,g,

,

b) square metres (m2) for floor areas of rooms, cross-sectton areas

of earthworks, large glass panes, etc.

,

1.23 m2).

c ) square rnillimetres (min2) for structural areas and o t h e r sections, bars, e t c . , using no decimals.

Symbola of these units MUST ALWAYS 33 SHOWN on drawings where

a p p r o p r i a t e .

1.3 Volume d i m n s i o n s should be expressed in:

a) cubic metres (m3) for volumes of earthwork, excavations,

concrete, f l u i d s i n large quantities, etc.

b) litres (L) for volumes pertaining to containers of fluids or gases only.

2.

SCALES

Preferred Scales Commonly Used for Different Types of Drawings*

Location drawings Block plap S i t e plan General location drawings Component range drawings Assenbly drawings Component deta if drawings

S rage

T ~ &

D e s i g n Sketch and prelim- Scales w i l l vary but it

inary drawings is recommended that pref-

erence be given t o those

used i n t h e working drawing

stage.

Scale will vary according

to maps used as reference.

1

:zoo0

1:

1: lO(1 The preferred scale is 1 :SO.

1:

*Thia t a b l e is r e p r i n t e d from the Canadian National Standard

CAM 3-8 78.3-I477 Building Drawings. The recommended range of scales may

be extended t o both s i d e s , provided that the new scale can be derived from a recommended scale by multiplying the numerator or denominator by a

3. SITE PLAN

3.1 Write down t h e narne of the surveyor, the date of the survey and the l e g a l d e s c r i p t i o n of the l a d e (e.g., municipal registered plan number(s)).

3.2 Shaw all lot lines, t h e i r lengths and orientatfons, and 911 found or new survey monuments.

3.3 Indicate the lot orleatation by a north arrow.

3 . 4 Show t h e job bench mark and i t s g e d e s i c d andlor j o b elevation.

3.5 Show the location of the s o i l t e s t b ~ r e h o l e s (refer t o the soil report)

.

3.6 I n d i c a t e sufficient existing grade elevations, including elevations of adjoining municipal lands.

3.7 Provide adequate finish grade elevations t o show clearly and precisely how t h e existing s i t e contours are to be refashfoned.

S l o p e t h e finished grade away from the building.

3.8 Define, using b u i l d i n g setbacks, the exact position of a building on a site. (Do not assme that a single dimension is enough to imply

that a certain wall is parallel t o a certain l o r line.)

3.9 Indicate a l l the public utility l i n e s , such a s storm and sanitary sewers, water mains, gas mains and electrical services (overhead and underground). Show a l l the exgsting electrical and telephone p a l e s

and i n d i c a t e any changes in l o c a t i o n . Show the dimensions of all

the easement^.

3.10 Indicate a l l the street sewer manholes, catch basins, v a l v e

chambers, electric service manholes, etc. and, if possible, their

street elevation and/or invert elevations,

3.11 Indicate the connections to existing sewer, water, gas or electrical

service f i n e s ; manholes; catch 'basins; etc. Show the depth of a l l l i n e s below grade.

3.12 Dimension a l l parking lots, roadway8 and walks, and c a l l up all

curve r a d i i , curbs, t r a f f i c islands and types of paving. Designate parking for the handicapped where required.

3.13 Indicate the necessary alterations t o c i t y curbs, erc., as required

at roadway entrances or for wheelchair access.

3.14 Clearly distfngulsh, by varying the hatching (or shading), items such as sodded areas, seeded areas and areas far rough grading.

Indicate any existing trees and bushes to be protected or removed.

Indicate new p l a n t i n g unless a landscaping plan is provided

3.15 Do not end the f i n i s h grading at a municipal l o t line. Grading, including walks and roadways, should meet the city st-reet or curb,

3.16 Indicate the location of f l a g p o l e s and free-standing signs,, if any. Refer to d e t a i l .

3.17 Show a l l the exterior landings, steps, railings, etc. Indicate the foatet-ials used, Remember t o d e t a l l these elements.

3.18 Show any buried gasoline, oil and gas storage tanks.

3-19 Show any existing items to be demolished and removed by the

contr.actor.

4. _FOrnATLON

_PLAN

4.1 Indtcate the foundation walls, piles, beams, and/or footings for a l l

bearing walls and columns, Refer to the structural drawings.

4.2 Show rhe footings and faundations of building components outside the building proper; egg., e x t e r i o r stairs, ramps, concrete pads a t entrances

..

4 . 3 Refer to the foundation component d e t a i l s , if any.

4.4 _{Note the d e s c r i p t i o n of the floor s l a b} and its finished elevation,

4.5

perimeter j o i n t s and the p i t s to be provided.

4 . 6 Check the openings required ia the foundation wall or slab against

the mechanical and electrical drawings.

4.7

4.8 Indicate the unexcavated areas.

5. FLOOR PLANS

5.1 Check the structural. drawings to ensure that a11 p o s t s andlor columns are i n d i c a t e d in the architectural drawings.

5.2 Check against the mecMnical add electrleal drawings to ensure that a l l duct, vent and other openings are i n d i c a t e d in the architectural d'rawings

.

5.3 Indicate all built-in furnishings on the drawings. Items such as slnks, bathtubs, shrwers, refrigerators, k i t c h e n ranges, counters and shelving must be shown.

5 - 4 Indicate t h e line of upper cupboards above the counters.

5.5 Indicate by d o t t e d lines a l l furnishings not covered by the building contract .and l a b e l them W . I . C. (not

In

5.6 Indicate t h e ceiling bulkheads.

5.7 Call up the hat shelves and coat rods for coat closets,

5.8 C a l l up the shelving, if any, in the other closets.

5.9 Show the a t c l c hatch or roqf hatch access andlor the l a d d e r t o the roof where .applicable,

5.10 Indicate the floor elevations oa all the floor plang

.

5.11 Ensure t h a t a l l the handrabls are i n d i c a t e d .

5.12 If the floor p l a n s are broken i n t o t w o or more parts, the following rules should be f o l l w e d :

5.12.1 Draw a l l the parts w f t h the same orientation.

5.12.2 Overlap each

part

5.12.3 Show the over-all dimensions far each part.

5.12.4

5.12.5 Ensure t h a t there i s an adequate and even d i s t r i b u t i o n of cleaners' cloaete an every level of the b u i l d i n g .

his

5.13 Check the fire code requirements with respect t o the number of doors required per room and the direction of swing.

5.14 _{Show the b u i l d i n g section lfnes and wall section lines on the floor}

plans.

5.15

On

to the exterior walls of tlae b u i l d i n g . The first- (ground-) floor plan should show the relation of t h e i n t e r i o r of t h e b u i l d i n g to the

exterior,

5.16 Ensure that the view from the corridor i n t o the p u b l i c washrooms is properly b a f f l e d .

5.17 Show t h e concrete curbs at the transformer vault and o i l - t a n k

etorage roams, i f any.

5.18 Show the concrete sump p i t s and access o p e n i a g s in the fl~ors. Indicate the t y p e of cover,

5.19'Show the light-well outline of the skylights above f n t h e floor

p l a n s .

5.20 Indicate any expansion j o i n t s ,

5.21 Indicate the tion-slip provisions for ramps and show the ramp s l o p e , 5.22 Indicate the floor drains and floor s l o p e where appropriate.

5.23 Check the elevator shaft dimensions against the manufacturer's specifications.

6 ROOF PLAN

6 1 Show the roof drains.

6.2 Indicate the roof slope.

6.3 For f l a t roofs, indicate the expansion j o i n t s and/or construction

j o i n t s , etc.

6 . 4 Indicate the curbs d i v i d i n g the flat roof plane, if any.

6.5 Lndlcrtte the full extent of the metal flashing. If more than one type of f l a s h i n g is used, d i s t i n g u i s h between the types.

6.6 Show a l l chimeys, gas heater stacks, roof vents, e t c .

6.7 Show any akyllghts and other structures or equipment protruding

through or installed above the roof plane.

6.8 Indicate the buildfng and wall-section lines.

6.9 Tndtcate the type of roofing and insulatfon.

7. ELEVATIONS

7.1

-

7.2 Indicate the approximate existing grade l i n e on each elevation.

7.3 Show the finish grades.

7.4 Xndfcate the floor elevations.

7-5 Show the foundation walls, footings, p i l e s , pile caps, etc,, and indicate their elevations.

7.6 Show t h e door steps and fndicate theLr foundations, f o o t i n g s and

7.7

openings.

7-8 C a l l up a l l window and door types on elevations by code let ters/numbers.

7.9 Show any metal louvres and refer t o the mechanical drawings.

7.10 Indicate the m e t a l flashing (roof) and masonry coping, if any.

7.11 Show the roof l a d d e r s , and refer to d e t a f l .

7.12 Show any skylights, chimneys and other parts of construction

appearing behind the e l e v a t i o n plane.

7.13 Show

the

7 . 1 4 Indicate the location and size of exterior signs, if any.

8. LONGITUDINAL

AND

8.1 These drawings should be reexamined for accuracy a£ &nfonaatfon a f t e r the roof finish and door schedules have been completed, 'Lt is

n o t advisable t o show the pictorial elevation of the walls beyond the section plane.

8.2 Indicate the approximate existing grade along the line where the section is taken,

8 . 3 Indicate the finish grade elevation and tkte grade finash adjacent to the building (paving, grass, etc.)

8.4 I n d i c a t e the elevation of all the f l o o r s , the roof s l a b s , the tops

of the foundation, the roof ridge and the slope.

8.5 Ensure that adequate vertical dimensioning is provided for the

f l o o r t o - f l o o r height, a l l openings, the depth of footZrtgs b e l m grade, e t c .

8 . 6 Check t h e insulation of the foundation walls, the slabs at grade, the waf ls, the roof, etc.

,

8.7 Indicate the damp-proofing of structures below grade.

8.8 Check the indication of subgrade drains.

8.9 Show the parts of the structure behind the cutting plane in elevation.

9 . WALL SECTIONS

9.1

the

walls,

9.2 Relate a l l the steel beams, lintels, etc., that occur in the wall

s e c t i o n s to datm lines such as the f i n i s h e d floor or general t o p of

steel.

9.3 Note a l l the f l o o r t ~ f l o o r heights, the w f n d o w s i l l I-elghts above the floor, etc.

9.4 Indicate, using structural drawings, which walls are to r e c e i v e masonry t i e s and which are to receive other types af reinforcing.

9.5 Indicate weep holes in any walls built to

the

9.6 Clearly show a l l damrproof masonry courses and masonry metal flashing.

9.7 Ensure that proper insulation values have been met: far a l l exterior con6 t ruction.

9.8 Check the i n d i c a t i o n of subgrade drains and the sloping of the

finish grade. Slope the finish grade away from the b u i l d i n g s .

9.9 Make sure t h a t the exterior wall i n s u l a t i o n and a i r barrier are continuous.

9.10 Recheck all the interlor f i n i s h materials shown in the drawings after the room f i n i s h schedule is completed.

10, STAIR DETAILS

10.1 Show any non-slip treatment f o r treads aqd landings where

appropr iatc.

10.2 A

floar

stairs are often mislocated.)

10.3 It is advisable to draw a section through the s t a i r s to show t h e

headroom in the .stairwell.

10.4 Locate the landfng support beams a d colraans or walls.

10.5 Vertical b a l u s t e r s , if used, should not extend beyond LOO mm 0 . c .

11, MISCELLANEOUS

METAL

11.1 The details of exterior steel ladders or ladders to the elevator pit

are of t e n m i s s e d .

11.2 The access hatches t o f l a t roofs should be shbwn and d e t a i l e d , 11.3 S , p e c i a l louvres which are not covered by mechanical drawings or

s p e c i f i c a t t a n s should be detailed.

11.4 It is advisable to group a l l miscellaneous metal details on separate

drawing(s), These should be listed in aequence.

12. WLPlDOtl DETAILS

AND

12.1 Show and call the type of window, and indicate the d i r e c t i o n of slide o

r

12.2 Dimension the rough opening r e q u i r e d for

all

12.3 Indicate the type of glazing required.

1 2 . 4 In general, the inner pane of washroom windows should be g l a z e d w i t h

translucent glass.

12.5 Indicate a l l weather-stripping, thermal breaks, flashing,

continuation of a i r b a r r i e r s and caulking on window section detalls.

12.6 Show and dimension the l - f n t e l s .

13. ROOM FINISH SCHEDULE

13.1 The washrood! w a l l - t i l e dados should b e either 1200 nun or 1500 mm high. Anything in between 1s n o t compatible with the height of the

l i g h t swftches.

13.2 Fire-rated and non-fire-rated c e i l i n g s ahould be indicated.

13.3 Wood or plywood interior wall panelling requires a fire-retardant

f i n i s h .

1 3 . 4 The height of a l l t y p e s of baseboards should be noted.

13.5 Concrete f l o o r s in ancillary rooms should be p a i n t e d .

13.6 Concrete f l o o r s and ranps in underground garages must be properly

14. DOOR AND

FRAME

14.1 Employ as few frame types as possLble. Adapt the walls at the jambs

and heads t o s u i t the frames, not v i c e v e r s a .

14.2 _{Check the door width of a l l housing units, bathrooms and public} entries for wheelchair accese where applicable.

14.3 All exterior doors should be Weather-stripped and have weather thresholds.

14,4 Glazing in the doors should be e i t h e r clear Georgian wired glass or shatterproof glass.

DRAWING: LANDSCAPING PLAN

DMWIPIG: SITE PLAN

DRAWING:

DRAWING: FLOOR PLAN

I

Drawn by: Checked by :

ITEM T i t l e block Dimensions Structural g r i d ; ~ u i l d i n p : section reference l i n e s : w a l l section reference l i n e s Detail reference "bubbles"

S p o t levels or floor elevation I~oors: codiw d i r e c t i o n of swing Windows: coding l i n t e l s S tairs : coding direction of travel handrails Ramps: slope Elevator shafts

Room names/ coding

Built-in furnishing (in crmtract/N.I.C.) Atticlroof access

Skylight(s)

Floor p i t s , drains

~xpansion/ perimeter/ construction j oint: (s )

Bulkheads

Check against: structural drawings

mechanical drawings electrical drawings

door schedule window schedule

finish schedule

Block p l a n (for floor plans divided up into several

drawings) 1st Checked 2nd Final

1

DRAWING: ROOF PLAN

Drawn by: Checked by:

ITEM Checked

T i t l e block Dimensions

Structural grid

Building section reference lines Wall section reference lines Detail reference "bubbles"

Spot l e v e l s Roof drainsldrainage Roof s l o p e Flas hiw s Chimney(#), stacks I Skylights

Structureslequipment i n s t a l l e d above roof level

Curbs

~xpansion/construction jCtidt(8)

Type of roofing and insulation

Check agalnst : structural drawings mechanical drawlnge

electrf cal drawings

1

DRAWING: BUILDING SECTION Checked by :

DRAWING: WALL

DRAWING: ELEVATIONS

DRAWING: STAIRS AND ELEVATORS

Drawn by: Checked by:

DRAWING: WINDOW WTAILS

D r a w n by: DMWLNG: SCHEDULES Checked by : ITEM Checked

I

I

I

I

F i n i s h schedule: code rooms

check floor plans to ensure that a l l rooms are covered

check s e c t i o n drawings for interior f i n i s h e s check abbreviations Door s c h e d u l e : coding 1st dimensions

_t

_t

dimensions

type of window

Final

g l a z f ng

floor plan and section check to ensure that a l l windows are properly