P.C.C BED IN CONSTRUCTION

06:29

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QUANTITY SURVEY

P.C.C BED( PLAIN CEMENT CONCRETE )

A BED BELOW WALL FOOTINGS, COLUMN FOOTINGS,PLINTH BEAM,WALLS BELOW BEAMS

A SIL CONCRETE USED TO GET HEARD AND FLAT SURFACE AT WINDOWS AND VENTILATOR SILS

PRECAST CONCRETE

    Usually concrete structures are built by casting them in their final position in the site by providing form work, pouring concrete and then removing the form work. It is called as cast-in-situ construction. If concrete elements are cast in factories or elsewhere and transported to their final destination, they are called precast elements.

Since the elements are cast in factories where controls are better, they are superior to cast in situ elements. However, the disadvantage is cost of transportation and achieving desired connections on site. Precast concrete is used in the following:

1. Pipes and tanks

2. Poles, piles, sleepers and pavement

3. Lintel beams

4. Beams and girders

5. Building blocks

6. Wall panels

7. Manhole covers

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PLASTERING C:M

18:52

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QUANTITY SURVEY

PLASTERING C:M

GRADES OF LASTERING  :

 1:2

1:4

1:6

1:8

•  1:6 IS GENERALLY USED FOR PLASTERING WORKS

  PLASTERING FOR  INTERAL WALLS 20MM

  PLASTERING FOR EXTERNAL WALLS 25MM

   

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STEEL

18:36

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QUANTITY SURVEY

STEEL

(THERMO MECHANICAL TREATMENT) 

• FE-500 TMT BARS

• FE-500 D GRADE TMT BARS

• FE 550 TMT BARS

• TMT BINDING WIRES

• HIGH TEMSILE STRENGTH , WEALDING FEATURES , BONDING STRENGTH WITH CONCRETE

  

                                              WEIGTH OF EACH STEEL ROAD = D²/162x40

WHERE D=DIA OF BAR

• ONE STEEL ROD (U-SHAPED) =12Mor 40'

   

  BRANDS

  JINDAL PANTHER TMT

  KAMADHENU TMT STEEL

  TATA TISCON TMT

  VIZAG TMT

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CORSE AGGREGATE

18:23

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QUANTITY SURVEY

CORSE AGGREGATE

•  IT IS FILLERS IN CONCRETE

• SIZES 6MM,12MM,20MM,40MM

• OTHER NAMES BLUE METAL

• LARGER THEN 4.75MM 

• IT ACTS AS LOAD BEARING INGREDIANT TO CONCRETE

•  IT SHOULD BE DUST FREE THAT COULD EFFECT HYDREATION AND BOND OF PASTE 

   

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SAND

18:14

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QUANTITY SURVEY

SAND

RIVER SAND :

RIVER IS A FORM OF FINE AGGRIGATE ETRACTED FROM RIVER .
USED FOR MANY CONUSTRUCTIONS.

 SLAG SAND :

IT IS A FINE AGGRIGATE USED ALONG WITH CHEMICAL ADMIXTURES
MINEING SAND FROM RIVER BEDS IS NOT LEGAL

 

M SAND : 

IT IS NEW INNOVATION FOR CONSTRUCTIONS
USED AS REPLACEMENT OF RIVER SAND
IT HAS MUCH DEMAND AS RIVER SAND IS BECOMING SCARE
IT IS PRODUCED IN A FACTORY BY CRUSHING GRANITE ROCKS

M-SAND

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TERMITE CONTROL

23:09

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QUANTITY SURVEY

TERMITE CONTROL

•  AFTER EXCAVATION COMPACTION SHOULD BE DONE ON THE EARTH SURFACE AND TERMITE CONTROL SHOULD BE DONE

• GENERALY EARTH WORK IS TREATED TO CONTROL FROM INSECTS TO STRACTURE OF SUBSTRACTURE

• IT SHOULD DONE ON FOUR SIDES OF FOOTING AND BOTTOM SURFACE OF ECAVATION 

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EXCAVATION

23:00

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QUANTITY SURVEY

EXCAVATION

• FOR RAFT FOOTING EXCAVATION SHOULD BE DONE FOR WHOLE SITE FOR REQUIRED DEPTH

• IF FOOTINGS ARE VERY NEAR THEN ECAVATION SHOULD BE DONE FOR WHOLE SITEAND THE BACK FILL SHOULD BE DONE

• FOR SIMPLE FOOTINGS EXCAVATION SHOULD DONE 1' MONE THEN GIVEN FOOTING DIMENSION FOR REMOVAL OF SHUTTERING AND WORKER PASSING

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SITE MARKING

22:54

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QUANTITY SURVEY

SITE MARKING

•  IT IS A PROGRAM OF SITE EXECUTION FOR FOOTING AND COLUMN PLACEMENT 

• IT SHOULD BE CLEAR TO UNDERSTAND BY SITE ENGINEER AND MESTRI(SITE WORKER )

• MARKING SHOULD BE DONE CLEAR WITH LIME POWDER OR SPRAY MACHINES

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SURVEYING

22:47

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QUANTITY SURVEY

SURVEYING :EAMIN AND RECORDS OF AREA AND FEATURES OF SOIL AS TO PLAN AN ARCHITECTURAL AND STRACTURAL PLAN.

THERE ARE MANY SURVEYS

• LAND SURVEY  
• AREA MEASURMENT
• NATURE OF SOIL

• TOPOGRAPHICAL SURVEY
• MARKET SURVEY

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BORE OR SUMP

22:40

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QUANTITY SURVEY

BORE OR SUMP

• FIRSTLY INFORMATION SHOULD BE COLLECTED FROM NEAR BY SITE 

•  IF THERE BORE WELL DIGGING SHOULD BE DONE

• BORE WELL HOLE SHOULD BE CLODES FOR SAFETY PERPOSE 

• IF NOT SUMP SHOULD BE CONSTRECTED AT SITE

bore well

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LEVELING

22:13

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QUANTITY SURVEY

LEVELING

• IT SHOULED BE DONE WHEN SITE IS IN UP'S ND DOWN 
•  
• LOOSE SOIL SHOULD BE DONE HARDEN BY RAMPING

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SHED

21:56

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QUANTITY SURVEY

Temporary Shed

• It should be constracted on site

• A person should be appointed 

• Construction material should bring for site before construction sheduled date(before 2-3 days for cement ) 

• Can use dust power(rock crush powder) insted of soil because it is temporary 

temperory shed

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STEP BY STEP ACTIVITES IN SUB STRACTURE

19:57

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QUANTITY SURVEY

Step by Step procedure to start an project in an correct pattern for good life of building. Earth work should be done clean when up's and down there ,surveying should be done accoring to given land document for leagel procedure and further isues, Site marking should be done by eperts because total structure depends on the site marking , excavation should be done for given S.B.C (soil baring capacity ) then termite control should be done.procedure should be done step by step

 earth work 

LEVELING

Surveying

SURVEYING

Site marking (perfect center lining and angles at intersection )

SITE MARKING

Excavation (Minimum excavation for g+2 buildings with good S.B.S is max 7')

ECAVATION

Termite control(anti fungus spray)

TERMITE CONTROL

P.c.c bed for footing protection 

Footing shuttering (centering works)

SHUTTERING

Tie beam (to make stracture as framed stracture)

TIE BEAM

Neck column arrangement

NECK COLUMN

Bitumen paint (increases the life of stracture and gives strength)

butimen paint

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