L$2(3# *'$+!," 4&'(5ec#% chec #he 6(//(+!, ame late as er seci$ied $orm4 Proect name. Drawing -itle. ,u/7-itle and ,cale4 orth direction4 %oundaries as er site demarcation4 9*isting -ree location. !ell. %ore well. 9lectric Poles. -elehone Poles. verhead Lines. %oth Lt4 and 4-4 and utments ,tructures4 %uilding set/ack. other /uildings o$ structure o/structing e*isting structures. ,u$$icient set /ack $or setic tank4 9tc4 oad. ,etic -ank.
1.
24 34 #4 54 '4 (4 84 "4 c% 14 24 34 #4 54 '4 (4
84 "4 104
W('!, D'$+!," orth direction and name late as er seci$ied $orm4 Proect name. Drawing -itle. ,u/7-itle and ,cale4 !hether siBes are as er rinted /roachers4 lat num/er as er rinted /roachers4 %rick %lock walling convention4 Chaa at terrace level shown in dotted on all lan4 Level with resect to -4%4)4 $or all lan on Plinth. Parking. Landing and )id7Landing etc4 6ll room door oening sides with %ath !4C4 Duct dimension and oen area dimension4 Column reduction arrows4
757
114
1(4 184 1"4 204 214 224 234 2#4
Centre line checking such as siBe o$ column at $ooting level. all oen ducts. sace and staircase details direction. room siBes as er /roachers + wall thickness4 Dotted lines $or Chaa. olling ,hutterEs ardi. dro etc4 =itchen tta osition with sink siBe Li$t osition and siBe4 %alcony. !4C4 and %ath dro4 6ll windows. door $rames oening rolling shutters. 4C4C4 grill siBes. ,chedule. e*haust $or oening and /alcony grill oening4 ,eci$ication in /rie$4 !4C4 %ath -oilet -errace sunk line shown shaded4 -errace drain. shoing atterns and rain water ie oening locations Li$t sha$t siBes. 44!4-4 Li$t room ositions4 ,taircase ardi thickness. riser thread details4 Parking drawing4 9*tract details $or linth side $lats4 )eter ca/inet locations4
*% 14 24 34 #4 54 '4 (4 84 "4 104 114 124
F(//(+!, &(!,#" e "ee, +h!/e chec!, R.C.C. D'$+!," -o /e read as er working drawings4 Check the structure at contour level4 ,unk sla/s !4C4 toilet /ath4 ead room at seci$ic level @/eam deth + change in /eam dethA Dowel $or adacent structure4 Details o$ column /elow 44!4-4 Check 9levation $eatures4 &nverted /eams $or !4C4 /ath etc4 Lo$t details to /e taken along with /eam4 loating column details4 -errace level chains sla/ details4 ein$orcement at critical oints4
6roved demarcation lan with orth direction4 Plane ta/le survey @)aA Contour ,urvey @)aA – Contour ,urvey also to include 4L4Es o$ aroach road near the oints o$ entry and at regular intervals i$ the road runs along the erimeter o$ the lot4
7(7
#4 54 '4 (4 84
,urvey $or underground electrical telehone ca/les. water suly lines. drainage lines. nala structures etc4 ,oil &nvestigation eort – $or deciding tye o$ $oundation4 Physical veri$ication o$ the lot with re$erence to demarcation lan. e*isting structure. nala. /oundries. 4-4 lines aroach road etc4 ;eri$ication o$ a/ove /y 6rchitect and -echnical Cell4 oad widening markings at site $rom authoriBed agency4
6rchitect to give details o$ $ollowing to all Consultants and -echnical Cell aA Layout o$ all /uilding4 /A Location and siBe o$ 4<4!4-4 cA Location and siBe o$ ,etic -ank and ,4-4P4 dA Location and siBe o$ -rans$ormer. L4-4 room and
787
24 34 #4 54 '4 (4 84 "4 104 114 124
gA Location o$ 94,44 i$ alica/le4 hA Develoed
Rec('*"
14 24
Develoed lan showing all a/ove amenities and their resective levels4 ;eri$ication Certi$icate /y 6rchitect CC consultant and -echnical Cell4
LA7OUT OF THE BUILDINGS ON SITE
CL 8 0;
Chec L!"#
14
24 34 #4
6s er CL – 02 aroved layout showing orth direction. Plot %oundaries o$ all /uilding. 6menities 6rea. en Parking. Comound !all. uired $or all structure as er rules and regulations Clearance $rom 6rchitect. -echnical Cell $or individual /uilding lineout4
Latest aroved centre line lan o$ the /uilding showing orth Direction. adoining structures. e*ansion oint i$ any + re$erence oint with distances4 ;eri$y the center line with resect to CC $oundation lan. 6rchitectural loor lans and service drawings4 9sta/lish -4%4)4 near each /uilding4 i*ing $our corners o$ /uilding and check diagonals4 i*ing side rails + all center lines. including li$t it osition on rails. diagonals checking art wise4 )aking its $or $ootings + li$t on ground with lime owder and check $or $ouling o$ $ootings etc4 Consent $rom architect. CC designer and -echnical Cell $or roceeding ahead with concrete works4
Re6e'e,ce Latest aroved Center line lan $rom 6rchitect4 Rec('* Certi$icate $rom -echnical Cell and 6rchitect on veri$ication o$ lineout4
7 10 7
PLUM CONCRETE
CL - 0=
Chec L!"#
14
24 34
#4 54 '4 (4
Plum concrete is generally used – aA !hen in the same it some ortion o$ it is e*cavated more $or re>uired strata. to level this it lum concrete is used4 /A &$ two adacent $ootings are at di$$erent levels. elevate one $ooting /y roving lum concrete4
Rec('*"
Consumtion statement
7 11 7
PLAIN CEMENT CONCRETE
CL 8 0>
Chec L!"#
14
24 34 #4 54 '4 (4 84
e$er -o ? aA 6rchitect drawing4 /A CC drawing and revision4 cA ,trata $or $oundation aroved /y CC consultant4 dA 6ny service lines assing /elow PCC or a/ove PCC4 Check whether ru//le soling /elow PCC re$erred anti termite treatment /elow PCC is necessary4 PCC to level as er CC drawing and also with re$erence to develoed ground level or road level4 ,iBe. deth and diagonals o$ the it siBe is more than re>uired PCC siBeI rovide side shuttering to get re>uired siBe4
Rec('*" F
Consumtion statement
7 12 7
MIX DESIGN AND WEIGH BATCHING
CL 8 0?
Chec L!"# 1.
U"e (6 We!h B$#che' aA or all maor concreting works o$ CC like column. /eams. sla/s. li$t ,ha$t and water tank. retaining walls. /asement ra$t and walls weigh /atcher should /e used4 /A !henever weigh /atcher is under reair or not availa/le due to un$oreseen reasons. weigh /atching converted into volume /atching can /e adoted cA -he weights should /e marked. weighted on an electronic /alance + the same is to /e recorded in register /y site engineer /e$ore $irst oeration4 dA or CC normal – volume /atching /y standard harmas can /e done4
9.
Be6('e "#$'#!, c(,c'e#e aA Design mi* data re>uired $rom site e4g4 /rand o$ cement. samles o$ materials /A ,ieve analysis o$ stone metal4 cA ,ieve analysis o$ natural sand4 dA ,ieve analysis o$ crushed sand4 eA )oisture content in sand4 $A %ulk density o$ sand4
:.
We!h $#che' (&e'$#!(," aA !eigh /atcher installed in level4 /A Cali/ration – nce in si* months4 cA 6dust weigh scale $or error4 dA !eights should /e washed and cleaned4 eA -he design mi* o$ concrete should /e dislayed rominently near the weigh /atcher4
7 13 7
$A !eights o$ a articular weigh /atcher should not /e used $or any other weigh /atcher4 ;.
D3'!, C(,c'e#!, aA -ye o$ cement. grade o$ cement. aroved mi* design4 /A 9*act weight o$ each tye o$ material i4e4 cement. coarse aggregate. and $ine aggregate and – $ly ash. shingle. crushed sand i$ to /e used4 cA Check worka/ility o$ concrete /y relating to the slum4 dA Casting o$ cu/es and identi$ication marks – min4 ' cu/es4 eA Check weight in an and marker o$ weight on scale as these get distur/ed due to vi/ration4
<.
A6#e' C(,c'e#!, aA ecord actual consumtion o$ material4 /A Comare actual consumtion with theoretical consumtion4 cA Cu/e test results with related slum $or ( days and 28 days strengths dA Curing $or 10 days4 eA De7shuttering eriod with resect to tye o$ cement used and consultantEs notes on drawings4
Rec('*"
1A 6roved design mi* 2A Consumtion statement4
7 1# 7
SLUMP TEST@ CUBE CASTING CUBE TESTING
CL -0
A%
SLUMP TEST -his test is conducted $or determining consistency o$ concrete where nominal siBe o$ aggregate does not e*ceed 38 mm4 6aratus sed ? i4 ,lum Cone ? -o Diameter 100 mm %ottom Diameter 200 mm eight 300 mm ii4 -aming od ? Diameter 1' mm Length '00 mm od rounded at one end4 Procedure ? -he internal sur$ace o$ the slum cone shall /e thoroughly cleaned /e$ore commencing the test4 ,lum cone shall /e laced on a care$ully leveled metal late. the slum cone /eing $irmly held in lace while it is /eing $illed4 -he slum cone shall /e $illed in $our layers. each aro*imately one7 >uarter o$ the height o$ the cone4 9ach layer shall /e tamed with twenty7$ive strokes o$ the rounded end o$ the taming rod4 -he strokes shall /e distri/uted in a uni$orm manner over the cross7 section o$ the cone and $or the second and su/se>uent layers shall enetrate into the underlying layer4 -he /ottom layer shall /e tamed throughout its deth4 6$ter the to layer has /een rodded. the concrete shall /e struck o$$ level with a trowel or the taming rod. so that the mould is e*actly $illed4 6ny mortar which may have leaked out /etween the mould and the /ase late shall /e cleaned away4 -he mould shall /e removed $rom the concrete immediately /y raising it slowly and care$ully in a vertical direction4 -his allows the concrete to su/side and the slum /e measured immediately /y determining the di$$erence /etween the height o$ the mould + that o$ the highest oint o$ the secimen /eing tested4 -he a/ove oeration shall /e carried out at a lace $ree $rom vi/ration or shock. and within a eriod o$ two minutes a$ter samling4
B%
CASTING OF CUBES Cu/es o$ concrete should /e cast regularly to estimate the strength o$ concrete4 Concrete $or $illing the cu/es should /e taken $rom the middle discharge o$ concrete mi*er4 Concrete $rom /eginning or at the end o$ discharge should /e avoided4 Cu/es should /e $illed in 3 e>ual layers4 9ach layer should /e uni$ormly tamered at least 35 times with a 1' mm /lunt rod4 Cu/es should /e roerly leveled and $inished using hand
7 15 7
trowel4 Cu/es should /e de7molded a$ter 2# hours and immersed in water $or curing4 &t is imortant to kee the cu/es away $rom the shocks or vi/rations esecially $or initial 3 days o$ casting4 !e recommend that minimum ' cu/es should /e taken every day and the /atch o$ 3 cu/es /e tested $or ( days and 28 days resectively4 6s er &, #5' – 2000 minimum $re>uency o$ samling is as $ollows ? V(/3e (6 C(,c'e#e 1 – 5 m3 ' – 15 m3 1' – 30 m 3 31 – 50 m 3 51 and a/ove
N3e' (6 S$&/e" 1 2 3 # # lus one additional $or each additional 50 m3
9ach samle comrises o$ 3 cu/es4 ,iBe o$ test secimens cu/ical in shae shall /e 15 cm * 15 cm * 15 cm C%
TESTING OF CUBES FOR COMPRESSIVE STRENGTH Cu/e testing is done at seci$ied age i4e4 on ( th and on 28 th day4 6ge o$ cu/es is calculated $rom the time o$ addition o$ water to the dry ingredients4 -est secimens stored in water shall /e tested immediately on removal $rom water and while they are still in the wet condition4 ,ur$ace water and grit shall /e wied o$$ the secimens and any roecting $ins removed4 -he dimensions o$ the secimens to the nearest 042 mm and their weight shall /e noted /e$ore testing4 -he /earing sur$aces o$ testing machine shall /e cleaned /e$ore lacing test secimen4 -he side $aces @$aces other than to + /ottomA o$ secimen shall /e laced /etween /earing sur$aces4 -he load shall /e alied without shock + increased continuously at a rate o$ aro*imately 1#0 kg s>4cm minute until the resistance o$ the secimen to the increasing load /reaks down + no grater load can /e sustained4 -he ma*imum load alied to the secimen shall then /e recorded4
C$/c3/$#!(,
7 1' 7
-he measured comressive strength o$ the secimen shall /e calculated /y dividing the ma*imum load alied to the secimen during the test /y the cross7sectional area. calculated $rom the mean dimensions o$ the section and shall /e e*ressed to the nearest kg er s>4cm4 6verage o$ three values shall /e taken as the reresentative o$ the /atch rovided the individual variation is not more than J7 15 ercent o$ the average4 therwise reeat test shall /e made4 G'$*e (6 C(,c'e#e
NOTE CENTRING SHUTTERING DESIGN SHOULD BE GOT APPROVED B7 CONSULTANT FOR AN7 R.C.C. ACTIVIT7 Chec L!"# 14 Latest aroved center line drawing 24 Latest aroved CC drawings4 34 ooting siBe and resective column num/er4 #4 Placement o$ steel with re$erence to drawings4 54 rientation o$ $ootings and column4 '4 Cover /locks $or rein$orcement4
7 1( 7
(4 84 "4 104 114 124 134
Rec('*" Cu/e test reorts with related slum
Consumtion statement
CONCRETING OF COLUMN
CL 8 11
Chec L!"#
14 24 34 #4 54 '4 (4
)arking o$ centers $or columns to /e done /e$ore starting any work $or a/ove $loor4 ,tarters to /e casted with minimum height 'G + with vi/rated concrete4 ,tarters to /e casted at least 2 days in advance /e$ore erecting the column shuttering4 Check $or orientation as er CC and 6rchitectural drawings4 Column rein$orcement. links. and their arrangement as er drawings i*ing cover /locks to rein$orcement4 Checking o$ shuttering materials4 aA Kuality o$ shuttering material4 /A 6ly shuttering oil to lywood and lanks4
7 18 7
84 "4 104 114 124 134 1#4 154
1'4
cA -o close the gas ga/dies with mud aste to revent cement slurry $lowing out4 Column to cast u to /ottom o$ /eams4 Concrete with mi*er should /e insisted. i$ mi*er is not used 10H e*tra cement is to /e used4 Checking o$ column while concreting. $or lum/4 -ye o$ cement. grade o$ cement. grade o$ concrete and design mi*4 ,i* cu/e mould are ket ready to cast cu/es $rom di$$erent /atches and slum test $or each4 Comaction /y needle vi/rator and oking taming4 Check $or la length a/ove to o$ concreting o$ columns4 Checking o$ columns a$ter concreting aA De7shuttering o$ column a$ter 2# hours4 /A inishing o$ honeycom/ing immediately a$ter de7shuttering4 cA acking o$ columns within 3 days $rom de7shuttering4 Cu/e testing aA emove cu/es ne*t day and kee $or curing4 /A Cover the column /y gunny /ags4 cA -esting o$ cu/es on due dates @ ( th day and 28 th day A
Rec('*"
Consumtion ,tatement Cu/e test results and related slums
CONCRETING OF PLINTH BEAMS
CL 8 19
Chec L!"#
14 24 34 #4 54 '4 (4 84 "4 104 114 124 134 1#4
PCC /elow linth /eams as er the re>uirement4 ut to out measurements and right angles and internal dimensions4 Provision o$ $oundation o$ stairs $rom linth /eams4 Check $or dimensions o$ Plinth %eams4 Check rein$orcement details as er CC drawing and schedule4 Ducting i$ re>uired $or all services lines4 Kuality o$ shuttering materials4
7 1" 7