Last Updated (09/21/2005)

This document is provided for information only and is not to be used for bidding or contract purposes.

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DIVISION IV - STRUCTURES (Items 446 through 471)

Table of Contents

ITEM NO. - TITLE AND REQUIREMENTS

446 - CLEANING AND PAINTING STEEL

SPECIFICATION REQUIREMENTS
1) Indicate if the existing paint to be removed contains a hazardous material (i.e. lead).
2) Indicate if a containment load analysis is required.
3) Show type of system to be used.
4) Show estimated area to clean and paint in square feet for each structure.
5) For multiple structures, assign a reference number to each structure to clean and paint.
6) For colors other than Gray, show the Federal Standard 595B color number on the plans.
7) For “Special Protection System,” show details on plans.
8) Indicate whether faying surfaces are to be painted.
9) Indicate required mean slip coefficient for paint on faying surface.

REFERENCE ITEMS
None

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447 - STRUCTURAL BOLTING

SPECIFICATION REQUIREMENTS
1) Bolts will meet the requirements of ASTM A325 or A490.
2) Measurement and payment for the bolts, nuts and washers required for structural  steel connections will be in accordance with Item 442.

PAYMENT AND MEASUREMENT
Payment will be subsidiary to the pertinent Items requiring the use of high-strength bolts.

REFERENCE ITEMS
(441), (446)

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448 - STRUCTURAL FIELD WELDING

SPECIFICATION REQUIREMENTS
1) Welds will be shown on the plans, including location and size.

PAYMENT AND MEASUREMENT
Subsidiary to the various bid Items in the contract.

REFERENCE ITEMS
(440), (441)

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449 - ANCHOR BOLTS

SPECIFICATION REQUIREMENTS
1) Types and sizes to be shown on the plans.

PAYMENT AND MEASUREMENT
Subsidiary to the various bid Items in the contract.

REFERENCE ITEMS
(445)

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450 - RAILING

SPECIFICATION REQUIREMENTS
1) Types, details, and limits to be shown on the plans.
2) This is a plans quantity measurement Item.

REFERENCE ITEMS
Required
None
Optional
(420), (421), (440) When concrete railing is required.
(424) When precast concrete railing elements are required.
(441), (442) When metal railing is required.
(445) When galvanizing is required.
(446) When painting is required.
(448) When field welding is required.
(540) When metal beam rail elements are required.

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452 - REMOVING RAILING

SPECIFICATION REQUIREMENTS
1) Limits to be shown on plans.

REFERENCE ITEMS
(420)

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453 - TEMPORARY RAILING

SPECIFICATION REQUIREMENTS
1) Types, limits, locations, materials to be shown on plans.
2) Details as specified on the plans.
3) Portions to be used as permanent installation to be shown on the plans.
4) Portions to be furnished by the department to be shown on the plans and locations to be picked up and stockpiled.

REFERENCE ITEMS
Required
(429)
Optional
(445) When galvanizing is required.
(446) When painting is required.

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454 - BRIDGE EXPANSION JOINTS

SPECIFICATION REQUIREMENTS
1) Joint type and location must be shown on the plans.
2) Sealed expansion joints and armor joints are plans quantity measurement Items.

REFERENCE ITEMS
Optional
(429) When Header Type Bridge Joint is required.
(442) When Sealed Expansion Joint or Armor Joint is required.

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458 - WATERPROOFING MEMBRANES FOR STRUCTURES

SPECIFICATION REQUIREMENTS
1) Type to be specified on the plans.

REFERENCE ITEMS
None

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459 - GABIONS AND GABION MATTRESSES

REFERENCE ITEMS
None

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460 - CORRUGATED METAL PIPE

SPECIFICATION REQUIREMENTS
1) For full circle corrugated metal pipe, and spiral rib corrugated metal pipe, the diameter,  permissible corrugations and required gages will be shown on plans. 
2) For corrugated metal pipe arch, the design size and permissible corrugations will be shown on plans.
3) For smooth lined pipe, the required gauges of the shell and the liner will also be shown on the plans.
4) This is a plans quantity measurement item.

REFERENCE ITEMS
Required
(400), (445)
Optional
(476) When jacking, boring or tunneling.

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461 - STRUCTURAL PLATE STRUCTURES

SPECIFICATION REQUIREMENTS
1) Specify the type(s) of structure, the type of material and/or the structure size on plans.
2) Minimum thickness and permissible corrugations will be shown on plans.
3) The substructure for structural plate arches will be shown on plans.
4) Details for metal headwalls will be shown on plans.
5) This is a plans quantity measurement item.

REFERENCE ITEMS
Required
(400), (420), (421), (440), (442), (445), (447)
Optional
(432) When riprap is allowed.

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462 - CONCRETE BOX CULVERTS AND STORM DRAINS

SPECIFICATION REQUIREMENTS
1) Contractor has option of cast-in-place or precast box culverts unless otherwise shown on plans.
2) Material used between multiple barrels on precast box culverts will be shown on the plans.
3) This is a plans quantity measurement item.

REFERENCE ITEMS
Required
(400)
Optional
(424), (464) When precast boxes are allowed.
(420), (421), (440) When cast-in-place boxes are allowed.
(476) When jacking, boring or tunneling precast boxes.

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464 - REINFORCED CONCRETE PIPE

SPECIFICATION REQUIREMENTS
1) For full circle pipe, the diameter and the required D-load or class will be shown on the plans.
2) For pipe arch or elliptical pipe, the design size and the required D-load or class will be shown on the plans.
3) This is a plans quantity measurement item.

REFERENCE ITEMS
Required
(400)
Optional
(476) When jacking, boring or tunneling pipe.

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465 - MANHOLES AND INLETS

SPECIFICATION REQUIREMENTS
1) Details of each type must be shown on the plans.
2) Elevations must be shown on the plans for Stage I Construction.

REFERENCE ITEMS
Required
(400), (420), (421)
Optional
(440) When reinforcing steel is used.
(471) When frames, grates, rings, or covers are required.

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466 - HEADWALLS AND WINGWALLS

SPECIFICATION REQUIREMENTS
1) Contractor has the option of cast-in-place or precast units unless shown otherwise on the plans.
2) Apron concrete or riprap between or around the wingwalls of single- or multiple-barrel box culvert structures will be measured and paid for in accordance with Item 432, “Riprap.”
3) Concrete will be Class “C” unless shown otherwise on the plans.
4) This is a plans quantity measurement item.

REFERENCE ITEMS
Required
(400), (420), (421), (440)
Optional
(430) When removal of portions of existing structure is required.
(464) When reinforced concrete pipe is required.

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467 - SAFETY END TREATMENT

SPECIFICATION REQUIREMENTS
1) Concrete will be Class “C” unless shown otherwise on the plans.
2) Apron concrete or riprap between  or around the wings or Type I safety end treatments will be measured and paid for in accordance with Item 432, “Riprap.”
3) Limits of riprap to be included in price bid for each SET will be shown on the plans. Any riprap placed beyond the limits shown will be paid in accordance with Item 432, “Riprap.”
4) Riprap between multiple precast SET units will be required as shown on the plans and is included in the price bid for each SET.
5) When precast SET’s are provided as an option to mitered pipe, riprap aprons will not be required unless the plans specifically require riprap aprons for precast SET units.
6) The plans will show the limits of riprap to be included with the precast SET for payment.

REFERENCE ITEMS
Required
(400)
Optional
(420), (421), (440) When concrete units or riprap are required.
(430) When removal of portions of existing structure is required.
(432) When riprap is required.
(445) When pipe runners are required.
(460) When corrugated metal pipe is required or when prefabricated metal end sections are allowed.
(464) When reinforced concrete pipe is required.

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471 - FRAMES, GRATES, RINGS, AND COVERS

SPECIFICATION REQUIREMENTS
1) Details for welded steel grates and frames must be shown on plans.
2) When part of a complete manhole or inlet, will not be measured for payment, but will be considered subsidiary to Item 465.

REFERENCE ITEMS
Required
(445)
Optional
(441) When welded steel grates or frames are required.
(448) When field welding is required.

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