X hits on this document

723 views

0 shares

0 downloads

0 comments

139 / 324

Section 04220

  • A.

    Galvanized, minimum 20-gauge steel of approved design.

    • 2.07

      MASONRY CONTROL JOINT

    • B.

      Rubber, cross shape ASTM D-2000 2AA-805, 80 durometer hardness when tested in accordance with ASTM D-2240. Elastic caulking shall be non sagging one or two part non-acid-curing low modulus silicone sealant.

      • 2.08

        MORTAR

  • A.

    Type S: ASTM C-270, Type S mortar with compressive strength 1800 psi at 28 days. Follow requirements ofU.B.C. Standard 24-20 (ASTM C-270).

  • B.

    Proportions: (by volume)

    • a.

      Portland Cement: Yz

    • b.

      Masonry Cement (Type II): 1

    • c.

      Aggregate: 2 Y4 to 3 times the sum of volumes of the cements used when measured in loose, damp conditions OR

    • d.

      Portland Cement: 1

  • e.

    Hydrated Lime or Lime Putty: Y4 to Yz

  • f.

    Aggregate: 2 Y4 to 3 times the sum of the volumes of the cement and lime

used when measured in loose, damp condition.

2.09

GROUT

A. Strength: Compressive strength 2000 psi at 28 days.

B.

Proportions (by volume):

a. b. c. d. e. f.

Portland Cement: 1 part Sand: 2 Yz to 3 parts. Pea Gravel: 1 Yz to 2 parts. Hydrated Lime: 1110 part Water: to yield slump of 9 to

Grout

Admixture

optional.

10 inches. Approval required.

  • C.

    Cement Quantity: Minimum cement: 7.9 sacks per yard without admixture or

    • 6.3

      sacks per yard with admixture.

  • D.

    Grout Admixture: Grout-Aid: as manufactured by Super Concrete Emulsions Ltd. Or approved equal.

E. Ready Mix Grout: Ready mix grout to conform to ASTM C-94.

PART 3

EXECUTION

3 Section 04220

Document info
Document views723
Page views723
Page last viewedSun Dec 04 11:06:03 UTC 2016
Pages324
Paragraphs11037
Words86316

Comments