1993 Standard Specifications Book
Last Updated (04/18/2002)
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DIVISION IV - STRUCTURES (Items 427 through 445)
Table Of Contents
ITEM NO. - TITLE AND REQUIREMENTS
427 - SURFACE FINISHES FOR CONCRETE
SPECIFICATION REQUIREMENTS
1) Grade and/or class of finish will be specified on the plans, for finish other than ordinary surface finish.
2) This is a plans quantity measurement Item.
OPTIONAL REQUIREMENTS
1) When Class E finish is permitted, it will be in accordance with
Item 446.
2) When Class C finish is permitted, it will be in accordance with
Item 526.
3) When epoxy waterproofing is required, it will be in accordance with Item 5699.
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Class A Finish
for Existing Concrete" |
SY |
2) |
"Class B Finish
for Existing Concrete" |
SY |
3) |
"Class A or
B Finish for Existing Concrete" |
SY |
4) |
"Class D Finish
for Existing Concrete" |
SY |
5) |
"Class E Finish
for Existing Concrete" |
SY |
6) |
"Epoxy Waterproofing" |
SY |
REFERENCE ITEMS
(420)
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428 - CONCRETE SURFACE TREATMENT
SPECIFICATION REQUIREMENTS
1) Any surface receiving a surface finish under Item 427 will not get a surface treatment under Item 428.
2) This is a plans quantity measurement Item.
OPTIONAL REQUIREMENTS
None
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Concrete Surface
Treatment" |
SY |
REFERENCE ITEMS
None
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429 - CONCRETE STRUCTURE REPAIR
SPECIFICATION REQUIREMENTS
1) Size and location of drive pins, studs, or expansion bolts and method of attaching new reinforcing steel will be detailed on the plans.
OPTIONAL REQUIREMENTS
None
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Concrete Structure
Repair" |
SY |
REFERENCE ITEMS
(420, 421, 431, 440, 524, 5699)
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430 - EXTENDING CONCRETE STRUCTURES
SPECIFICATION REQUIREMENTS
1) Details will be shown on the plans.
2) Portions of the old structures to be removed will be to the lines and dimensions shown on the plans.
3) This is a plans quantity measurement Item.
OPTIONAL REQUIREMENTS
1) When welding is shown on the plans it will be in accordance with Item 448.
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Class ___ Concrete
for Extending Structures (Type Specified)" |
CY , EA , SF
, SY, LF |
REFERENCE ITEMS
(420, 421, 427, 433, 440, 520, 522, 524, 526)
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431 - PNEUMATICALLY PLACED CONCRETE
SPECIFICATION REQUIREMENTS
1) Type of concrete to be shown on the plans.
OPTIONAL REQUIREMENTS
None
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Pneumatically
Placed Concrete (Encasement)" |
SF |
2) |
"Pneumatically
Placed Concrete (Repair)" |
CF |
REFERENCE ITEMS
(421, 433, 437, 440, 522)
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432 - RIPRAP
SPECIFICATION REQUIREMENTS
1) Show type, details and thickness of riprap on the plans.
2) If concrete riprap is other than Class B, it needs to be shown on the plans.
3) Concrete riprap will be reinforced using wire or bar reinforcement unless otherwise shown on the plans.
4) Show type and grade of aggregate conforming to Item 247 for cement stabilized riprap on the plans.
5) If filter fabric is required, it needs to be shown on the plans.
6) Special riprap will be as shown on the plans.
OPTIONAL REQUIREMENTS
1) When concrete is required, it will be in accordance with Items 420,421,440,520,522,524,
and 526.
2) When cement stabilized riprap is required, it will be in accordance
with Item 247.
3) When Class II riprap is required, it will be in accordance with
Item 431.
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Riprap (Type
or Classification Specified)" |
CY |
REFERENCE ITEMS
None
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433 - JOINT SEALANTS AND FILLERS
SPECIFICATION REQUIREMENTS
1) Class of joint sealants to be shown on the plans.
OPTIONAL REQUIREMENTS
None
PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.
REFERENCE ITEMS
(492)
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434 - SLIDING ELASTOMERIC BEARINGS
SPECIFICATION REQUIREMENTS
1) Details shown on the plans.
2) Pad thickness shown on the plans.
OPTIONAL REQUIREMENTS
None
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Sliding Elastomeric
Bearing (Type Specified)" |
EA |
REFERENCE ITEMS
None
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435 - ELASTOMERIC MATERIALS
SPECIFICATION REQUIREMENTS
1) Elastomeric bearings will be specified on the plans by hardness, size and configuration.
2) Specify if elastomeric bearings may be either "Plain" or "Laminated" on the plans.
3) Details for waterstops will be shown on the plans.
4) Nylon reinforced neoprene sheet thickness will be shown on the plans.
OPTIONAL REQUIREMENTS
None
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Elastomeric
Bearing (Type Specified)" |
EA |
REFERENCE ITEMS
None
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437 - CONCRETE ADMIXTURES
SPECIFICATION REQUIREMENTS
1) Air content to be in accordance with Item 421 unless otherwise shown.
OPTIONAL REQUIREMENTS
None
PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.
REFERENCE ITEMS
(421)
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438 - CLEANING AND/OR SEALING JOINTS AND CRACKS (PORTLAND CEMENT
CONCRETE)
SPECIFICATION REQUIREMENTS
1) Type and/or class of material to be used for sealing joints and cracks will be as shown on the plans.
2) The cutting dimensions for the grooves for the preparation of cracks will be shown on the plans.
OPTIONAL REQUIREMENTS
None
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Cleaning of
Existing Joints" |
LF |
2) |
"Cleaning and
Sealing of Existing Joints" |
LF |
3) |
"Cleaning and
Sealing Cracks" |
LF |
REFERENCE ITEMS
(433, 446)
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439 - CONCRETE OVERLAY OF STRUCTURE DECKS
SPECIFICATION REQUIREMENTS
1) Unless otherwise shown, Type I cement is used with concrete overlays and Type II cement is used with dense concrete overlays.
2) This is a plans quantity measurement Item.
OPTIONAL REQUIREMENTS
None
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Slab Repair
(Type 1)(Depth Specified)" |
SY |
2) |
"Slab Repair
(Type 2)(Depth Specified)" |
SY |
3) |
"Concrete Overlay
(Depth Specified)" |
SY |
4) |
"Dense Concrete
Overlay (Depth Specified)" |
SY |
REFERENCE ITEMS
(420, 421, 428, 440, 483, 485)
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440 - REINFORCING STEEL
SPECIFICATION REQUIREMENTS
1) Shapes of bends shown on the plans.
2) Epoxy coating when required to be shown on the plans.
OPTIONAL REQUIREMENTS
None
PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.
REFERENCE ITEMS
(446, 448)
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441 - STEEL STRUCTURES
SPECIFICATION REQUIREMENTS
1) This Item will govern for the fabrication and erection of structural steel and other materials.
OPTIONAL REQUIREMENTS
None
PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.
REFERENCE ITEMS
(420, 421, 434, 442, 446, 447, 448)
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442 - METAL FOR STRUCTURES
SPECIFICATION REQUIREMENTS
1) Specify type of steel strength designation on the plans.
2) If structural steel-HS or structural steel-XHS is specified, then the grade of material will be shown on the plans.
3) Specify the class of material for the steel forgings on the plans.
4) The thickness of the steel deep beam rail will be shown on the plans.
5) This is a plans quantity measurement Item.
OPTIONAL REQUIREMENTS
1) When Galvanizing is required, it will be in accordance with Item
445.
2) When painting is required, it will be in accordance with Item 446.
3) When high strength bolts are required, they will be in accordance
with Item 447.
4) When welding is required, it will be in accordance with Item 448.
5) When anchor bolts are required, they will be in accordance with
Item 449.
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Structural
Steel-HYC" |
LB |
2) |
"Structural
Steel-HS" |
LB |
3) |
"Structural
Steel (Type Specified or Other Metal Classification Specified)" |
LB |
REFERENCE ITEMS
(441)
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443 - PERMANENT METAL DECK FORMS
SPECIFICATION REQUIREMENTS
1) Details shown on the plans.
OPTIONAL REQUIREMENTS
None
PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.
REFERENCE ITEMS
(441, 445, 448)
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444 - BRIDGE PROTECTIVE ASSEMBLY
SPECIFICATION REQUIREMENTS
1) Installed at locations shown on the plans.
2) Details shown on the plans.
3) Protective angle length must be shown on bridge layout when bid as "Bridge Protective Assembly", "Protective Angle" or "Protective Angle with Sign Bracket".
4) Need to indicate distance to nearest bent along beam when angle is required.
OPTIONAL REQUIREMENTS
None
|
PAYMENT DESCRIPTION |
UNITS |
1) |
"Bridge Protective
Assembly" |
EA |
2) |
"Protective
Angle" |
EA |
3) |
"Protective
Angle with Sign Bracket |
EA |
4) |
"Sign Bracket" |
EA |
5) |
"Sign and Bracket" |
EA |
REFERENCE ITEMS
(442, 445)
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445 - GALVANIZING
SPECIFICATION REQUIREMENTS
1) Items to be galvanized to be shown on the plans.
OPTIONAL REQUIREMENTS
None
PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.
REFERENCE ITEMS
None
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