LCI Preconstruction & Estimating Training Manual

11/22/2017

Pricing Method

Div.

Items

Units

02355

Shoring and Underpinning (Finish and Install)

SF

EPDM

SF CY SY LF

Site Concrete (Finish and Install)

02527

• Ethylene Propylene Diene Monomer • (M-class) rubber ▫ Synthetic rubber ▫ Elastomer • Membrane which can stretch up to 300% elongation ▫ Expansion and contraction ▫ It is virtually unaffected by Ozone and UV radiation • Longer lasting • Does not crack tear or split ▫ Reduces number of joints required in a large roof

Caissons– All types Excavation Rebar Temporary Sleeve Spoils Removal

CY LBS

02380

EA CY

Concrete Placement: Wall Footing Foundation Wall Slab on Grade Concrete on Metal Deck

CY SF

03300

03400

Pre Cast Concrete Walls

SF

04202

Masonry Work: CMU Modular Veneer

SF

05110

Structural Steel (Finish and Install)

Tons

Thermoplastic Olefin (TPO)

• Single-ply roof membrane • Ethylene Propylene rubber • Designed as a combination of ▫ EPDM rubber ▫ Hot-air welded seams • Seam strengths are stronger than EPDMs adhesive • TPO membranes are installed: ▫ Fully adhered ▫ Mechanically Attached ▫ Ballasted

Roofing Systems

Roof Systems

Modified Bitumen Roofing

• Combines many of the features in the standard tar and gravel roof • Addition of layers of polyester ▫ Fiberglass impregnated with bitumen ▫ A derivative of tar or asphalt • Multiple plies or layers • Gains significant strength and resistance to weathering

Protects building from effects of weather

Material

Construction Durability

14

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