CL6

BUILDING CONSTRUCTION - CONSTRUCTION DOCUMENTS

THIRD YEAR ( EVEN SEMESTER-OLD SYALLBUS)

In view of National lock-down and our effort to fight corona-virus and achieve learning by on-line teaching.... i have created this label and taken liberty to include scan images from text books and images of physical models and visits.

1. LEARNINGS FROM SITE VISITS

2. NOTES FOR BRICK MASONRY WORK

3. NOTES FOR WATERPROOFING AND EXPANSION JOINTS

4. NOTES ON STAIRCASES AND LIFTS

5. GENERAL NOTES 

6. Drawings

Drawings Shared By Ar Abhimanyu Bhatia

                                         Sketches Shared By Ar Ashwani Kher

7. Check list for drawings

COMMON ERRORS IN CONSTRUCTION DRAWINGS SUBMISSION on 24 Apr 2020....during lockdown

Basement:

cross dimensions???references????drain slopes not shown????

start o and end of ramps not correctly marked???? no drain at start and end of ramp??? slope/clear width of ramp not marked>>>> cut level at ramp not correctly shown>>>>portion above cut level to be in dotted?????besides end wall of ramp cross walls of ramps not marked>>>>up/down arrow in ramp not marked???

cores level should be 150 above the rest of basement level to avoid flooding???ducts /opening above should have been dotted????

sumps  and pump room for drainage not marked??? divide the basement into two distinct ares and then resolve drainage>>>>slope of drain should be 1:200....arrows to be marked????avoid toilets in basement???/levels to be shown ???? any projection above to be in dotted lines???fire tank/ water tank to be properly shown in basement????

Plans:

cross dimensions???and cross reference??? section lines??? outside level/plinth level???platform if any level??? if the basement is extending beyond should be clearly shown??? plinth protection all round????Railing on approach steps and ramps of handicap????schedule of openings???staircase up/down arrows...in firm lines in GF//// cut plane level??? numbering of staircase steps from zero at GF and any steps going down will have _1/_2.... up will have 1/2/2.....

railing in staircase not shown???? Railing well not closed??? extra steps at top floor to match with terrace floors????

dotted steps above cut level in basement stair plan??? all firm steps in mumty level stair plan with railing covering steps below???

dotted line of atrium above???or any projection above???

 sunken level of courtyard if open from top with levels and steps??? not shown????

near core services shaft not shown properly????levels and cross reference even to windows or doors or walls not marked????

even windows in plans are not marked with proper labelling????

door/window schedule not shown???? materials are not hatched properly???/

 double walls in lift/staircase shown not in alignment with beam above????

toilet plumbing shaft and even ventilation shaft not shown??? no windows in the toilet??? drop in floor not marked????enough distance between fixture not correctly marked????

elevations:

vertical grids....horizontal grids.....should be subdued??? no horizontal distances required to be marked>>> levels of all floors//// upto top of mumty is to be shown.....level of surface coming near should be dark...and marked??? windows and doors not correctly reflect ??? The railing of stairs is missing?????rain water pipe system is to be shown and marked???The machine room is missing???? elevations should be north/south/west/east????

sections:

at least two sections preferably showing...stairwell/lift well/ double height spaces///sunken slabs////machine rooms/////

also mark/label.... levels on one side with proper symbol????material hatch???dimensioning of heights?????

terrace:

slopes not correctly marked??? levels not shown?? proper ridge and valleys not marked????position of kurrahs..... ??? rwp from the machine room roof ??? mumty roof????

core level to be higher than terrace level???if any terrace below it should be light??? and correctly marked????

parpet to be shown properly???? position of water tanks///shafts///atrium/////

one RWP 110mm dia for 100 sqm of area??? slope of terrace 1:100....to 1:80 as required basis....

site development:

clear marking of hard and soft surfaces??? roads??? position of electric poles??? alternatively??? inspection chambers / manhole at every bend/ and at least 30 metre distance??? lnvert level to be clearly marked on manholes??? one RWP pit for each one acre of area????slope of pipes to be correctly shown???

site and building siting:

boundary of site not marked and dimensioned??? should round of dimensions to next level 0 and 5 and no decimals????

at least cross check point from another reference point????

diagonal should be checked??/

 in building siting do it on grids....first vertical and horizontal grid points.....

always cross check from another reference points???