1020.2 Procedure - Revision history

Hoskir: /* 1020.2.7.2 Repair of Damaged Coating */ updated broken links

2026-01-23T17:19:33Z

1020.2.7.2 Repair of Damaged Coating: updated broken links

← Older revision		Revision as of 12:19, 23 January 2026
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	==1020.2.7.2 Repair of Damaged Coating==		==1020.2.7.2 Repair of Damaged Coating==
	Units on which the metallic coating has been burned by welding beyond the limits provided in [[1020.2_Procedure~~&action=submit~~#1020.2.6.5_Helical_Lock_Seams\|EPG 1020.2.6.5 Helical Lock Seams]] and [[1020.2_Procedure#1020.2.6.7_End_Finish\|EPG 1020.2.6.7 End Finish]] or has been otherwise damaged in fabrication or handling, shall be repaired. The repair shall be done so the completed unit shows careful finished workmanship in all particulars. If the engineer so elects, the repair shall be done in the presence of the engineer. In any case, the material used and the application shall meet the approval of the engineer.		Units on which the metallic coating has been burned by welding beyond the limits provided in [[1020.2_Procedure#1020.2.6.5_Helical_Lock_Seams\|EPG 1020.2.6.5 Helical Lock Seams]] and [[1020.2_Procedure#1020.2.6.7_End_Finish\|EPG 1020.2.6.7 End Finish]] or has been otherwise damaged in fabrication or handling, shall be repaired. The repair shall be done so the completed unit shows careful finished workmanship in all particulars. If the engineer so elects, the repair shall be done in the presence of the engineer. In any case, the material used and the application shall meet the approval of the engineer.

	Coating damaged during fabrication or handling in the fabricating shop shall be repaired by recoating by the hot-dip process, by the metallizing process or with two coats of single component inorganic zinc or organic zinc-rich paint, meeting the approval of the engineer.		Coating damaged during fabrication or handling in the fabricating shop shall be repaired by recoating by the hot-dip process, by the metallizing process or with two coats of single component inorganic zinc or organic zinc-rich paint, meeting the approval of the engineer.

Hoskir: updated formatting and links and moved from category 1020

2025-02-21T21:09:08Z

updated formatting and links and moved from category 1020

← Older revision		Revision as of 16:09, 21 February 2025
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	==1020.2.6.10 Special Fittings==		==1020.2.6.10 Special Fittings==
	Special fittings, angles and tees shown on the plans shall be fabricated by welding in such a manner as to avoid excessive damage to the coating away from the welded area. The welded area and adjacent damaged coating shall be repaired in accordance with [[~~:category:~~1020 ~~Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections~~ #1020.2.7.~~2 Repair of Damaged Coating~~\|EPG 1020.2.7.2 Repair of Damaged Coating]].		Special fittings, angles and tees shown on the plans shall be fabricated by welding in such a manner as to avoid excessive damage to the coating away from the welded area. The welded area and adjacent damaged coating shall be repaired in accordance with [[1020.2_Procedure#1020.2.7.2_Repair_of_Damaged_Coating\|EPG 1020.2.7.2 Repair of Damaged Coating]].

	===1020.2.7 Workmanship and Finish===		=1020.2.7 Workmanship and Finish=

	====1020.2.7.1 Workmanship====		==1020.2.7.1 Workmanship==
	In addition to the requirements of fabrication, the completed pipe, bands, fittings or end sections shall show careful, finished workmanship in all particulars. Any item on which the coating has been bruised or broken either in the shop or in shipping or which shows defective workmanship, will be rejected. This requirement applies not only to the individual item, but to the shipment on any contract as a whole. Among others, the following defects are specified as constituting poor workmanship and the presence of any or all of them in any individual pipe, band, fitting, end section or in general in any shipment will constitute sufficient cause for rejection:		In addition to the requirements of fabrication, the completed pipe, bands, fittings or end sections shall show careful, finished workmanship in all particulars. Any item on which the coating has been bruised or broken either in the shop or in shipping or which shows defective workmanship, will be rejected. This requirement applies not only to the individual item, but to the shipment on any contract as a whole. Among others, the following defects are specified as constituting poor workmanship and the presence of any or all of them in any individual pipe, band, fitting, end section or in general in any shipment will constitute sufficient cause for rejection:
			: (a) Variation from a straight centerline.
			: (b) Elliptical shape in pipe intended to be round.
			: (c) Metallic coating which has been bruised, broken or otherwise damaged.
			: (d) Lack of rigidity.
			: (e) Illegible markings.
			: (f) Ragged or diagonal sheared edges or ends.
			: (g) Uneven laps in riveted or spot welded pipe.
			: (h) Poorly formed rivet heads.
			: (i) Loose, unevenly lined or unevenly spaced rivets or spot welds.
			: (j) Defective spot welds or continuous welds.
			: (k) Dents or bends in the metal.
			: (l) Loosely or poorly formed lock seams.

	~~(a) Variation from a straight centerline.~~		==1020.2.7.2 Repair of Damaged Coating==
			Units on which the metallic coating has been burned by welding beyond the limits provided in [[1020.2_Procedure&action=submit#1020.2.6.5_Helical_Lock_Seams\|EPG 1020.2.6.5 Helical Lock Seams]] and [[1020.2_Procedure#1020.2.6.7_End_Finish\|EPG 1020.2.6.7 End Finish]] or has been otherwise damaged in fabrication or handling, shall be repaired. The repair shall be done so the completed unit shows careful finished workmanship in all particulars. If the engineer so elects, the repair shall be done in the presence of the engineer. In any case, the material used and the application shall meet the approval of the engineer.
	~~(b) Elliptical shape in pipe intended to be round.~~

	~~(c) Metallic coating which has been bruised, broken or otherwise damaged.~~

	~~(d) Lack of rigidity.~~

	~~(e) Illegible markings.~~

	~~(f) Ragged or diagonal sheared edges or ends.~~

	~~(g) Uneven laps in riveted or spot welded pipe.~~

	~~(h) Poorly formed rivet heads.~~

	~~(i) Loose, unevenly lined or unevenly spaced rivets or spot welds.~~

	~~(j) Defective spot welds or continuous welds.~~

	~~(k) Dents or bends in the metal.~~

	~~(l) Loosely or poorly formed lockseams.~~

	====1020.2.7.2 Repair of Damaged Coating====
	Units on which the metallic coating has been burned by welding beyond the limits provided in [[~~:category:~~1020 ~~Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections~~#1020.2.6.~~5 Helical Lock Seams~~\|EPG 1020.2.6.5 Helical Lock Seams]] and [[~~:category:~~1020 ~~Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections~~#1020.2.6.~~7 End Finish~~\|EPG 1020.2.6.7 End Finish]] or has been otherwise damaged in fabrication or handling, shall be repaired. The repair shall be done so the completed unit shows careful finished workmanship in all particulars. If the engineer so elects, the repair shall be done in the presence of the engineer. In any case, the material used and the application shall meet the approval of the engineer.

	Coating damaged during fabrication or handling in the fabricating shop shall be repaired by recoating by the hot-dip process, by the metallizing process or with two coats of single component inorganic zinc or organic zinc-rich paint, meeting the approval of the engineer.		Coating damaged during fabrication or handling in the fabricating shop shall be repaired by recoating by the hot-dip process, by the metallizing process or with two coats of single component inorganic zinc or organic zinc-rich paint, meeting the approval of the engineer.

	Coating damaged in the field shall be repaired by recoating by the hot-dip process or by the metallizing process except that in instances of minor damage to areas in the upper two-thirds of the perimeter as installed, the engineer may permit repair in the same manner as specified for repair during fabrication. The fabricated unit shall be thoroughly cleaned prior to recoating. The hot-dip process shall be in accordance with [[~~:category:~~1020 ~~Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections~~#1020.2.~~2 Material~~\|EPG 1020.2.2 Material]].		Coating damaged in the field shall be repaired by recoating by the hot-dip process or by the metallizing process except that in instances of minor damage to areas in the upper two-thirds of the perimeter as installed, the engineer may permit repair in the same manner as specified for repair during fabrication. The fabricated unit shall be thoroughly cleaned prior to recoating. The hot-dip process shall be in accordance with [[1020.2_Procedure#1020.2.2_Material\|EPG 1020.2.2 Material]].

	'''Damaged Areas.''' Damaged areas shall be cleaned to bright metal by blast cleaning, power disk sanding or wire brushing. The cleaned area shall extend at least 1/2 in. (13 mm) into the undamaged section of the coating. The cleaned area shall be coated within 24 hours and before any rusting or soiling.		'''Damaged Areas.''' Damaged areas shall be cleaned to bright metal by blast cleaning, power disk sanding or wire brushing. The cleaned area shall extend at least 1/2 in. (13 mm) into the undamaged section of the coating. The cleaned area shall be coated within 24 hours and before any rusting or soiling.

	=====1020.2.7.2.4 Repair By Painting=====		===1020.2.7.2.1 Repair By Painting===
	The type of paint repair may be any one of those specified above. Paint shall be applied over the damaged section and surrounding cleaned undamaged area. Any of the allowed repair paint systems may be used for repair of zinc or aluminum coatings.		The type of paint repair may be any one of those specified above. Paint shall be applied over the damaged section and surrounding cleaned undamaged area. Any of the allowed repair paint systems may be used for repair of zinc or aluminum coatings.

	=====1020.2.7.2.5 Repair By Hot-Dip Process=====		===1020.2.7.2.2 Repair By Hot-Dip Process===
	The fabricated unit shall be thoroughly cleaned prior to recoating. The metallic coating shall then be applied by the hot-dip process in accordance with [[~~:category:~~1020 ~~Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections~~#1020.2.~~2 Material~~\|EPG 1020.2.2 Material]].		The fabricated unit shall be thoroughly cleaned prior to recoating. The metallic coating shall then be applied by the hot-dip process in accordance with [[1020.2_Procedure#1020.2.2_Material\|EPG 1020.2.2 Material]].

	=====1020.2.7.2.6 Repair By Metallizing Process=====		===1020.2.7.2.3 Repair By Metallizing Process===
	The damaged area shall be cleaned as described in [[~~:category:~~1020 ~~Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections~~#1020.2.7.~~2 Repair of Damaged Coating~~\|Damaged Areas]] except the damaged area shall be cleaned to the near-white condition. The repair coating applied to the cleaned section shall have a thickness of not less than 0.005 in. (0.13 mm) over the damaged section and shall taper off to zero thickness at the edges of the cleaned undamaged section.		The damaged area shall be cleaned as described in [[1020.2_Procedure#1020.2.7.2_Repair_of_Damaged_Coating\|Damaged Areas]] except the damaged area shall be cleaned to the near-white condition. The repair coating applied to the cleaned section shall have a thickness of not less than 0.005 in. (0.13 mm) over the damaged section and shall taper off to zero thickness at the edges of the cleaned undamaged section.

	When zinc coating is to be metallized, the process shall be done with zinc wire containing not less than 99.98 percent zinc.		When zinc coating is to be metallized, the process shall be done with zinc wire containing not less than 99.98 percent zinc.
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	When aluminum coating is to be metallized, the process shall be done with aluminum wire containing not less than 99 percent aluminum.		When aluminum coating is to be metallized, the process shall be done with aluminum wire containing not less than 99 percent aluminum.

	===1020.2.8 Handling===		=1020.2.8 Handling=
	Proper care shall be exercised in loading, transporting, unloading and delivering the pipe to the construction site and in its placement. When nesting pipe or loading pipe, boards or other suitable material, running the full length of the pipe shall be used to prevent metal from rubbing or resting against metal and to prevent damage to the pipe. Special care shall be exercised in preventing the rivets from scratching adjacent pipe. Chains or metal cables used in binding the load and unloading shall be encased to prevent damaging the pipe or suitable material shall be fastened securely between the pipe and chains or cable. Wood skids or other approved devices shall be used in loading and unloading the pipe. Metal lever bars will not be permitted in loading and unloading. Dragging the pipe across rocky ground or dragging the pipe in such manner as to cause gouging or removal of coating will not be permitted.		Proper care shall be exercised in loading, transporting, unloading and delivering the pipe to the construction site and in its placement. When nesting pipe or loading pipe, boards or other suitable material, running the full length of the pipe shall be used to prevent metal from rubbing or resting against metal and to prevent damage to the pipe. Special care shall be exercised in preventing the rivets from scratching adjacent pipe. Chains or metal cables used in binding the load and unloading shall be encased to prevent damaging the pipe or suitable material shall be fastened securely between the pipe and chains or cable. Wood skids or other approved devices shall be used in loading and unloading the pipe. Metal lever bars will not be permitted in loading and unloading. Dragging the pipe across rocky ground or dragging the pipe in such manner as to cause gouging or removal of coating will not be permitted.

	[[Category:1020 Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections]]		[[Category:1020 Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections]]

Hoskir at 20:57, 21 February 2025

2025-02-21T20:57:45Z

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Hoskir at 20:02, 21 February 2025

2025-02-21T20:02:49Z

← Older revision		Revision as of 15:02, 21 February 2025
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	===1020.2.8 Handling===		===1020.2.8 Handling===
	Proper care shall be exercised in loading, transporting, unloading and delivering the pipe to the construction site and in its placement. When nesting pipe or loading pipe, boards or other suitable material, running the full length of the pipe shall be used to prevent metal from rubbing or resting against metal and to prevent damage to the pipe. Special care shall be exercised in preventing the rivets from scratching adjacent pipe. Chains or metal cables used in binding the load and unloading shall be encased to prevent damaging the pipe or suitable material shall be fastened securely between the pipe and chains or cable. Wood skids or other approved devices shall be used in loading and unloading the pipe. Metal lever bars will not be permitted in loading and unloading. Dragging the pipe across rocky ground or dragging the pipe in such manner as to cause gouging or removal of coating will not be permitted.		Proper care shall be exercised in loading, transporting, unloading and delivering the pipe to the construction site and in its placement. When nesting pipe or loading pipe, boards or other suitable material, running the full length of the pipe shall be used to prevent metal from rubbing or resting against metal and to prevent damage to the pipe. Special care shall be exercised in preventing the rivets from scratching adjacent pipe. Chains or metal cables used in binding the load and unloading shall be encased to prevent damaging the pipe or suitable material shall be fastened securely between the pipe and chains or cable. Wood skids or other approved devices shall be used in loading and unloading the pipe. Metal lever bars will not be permitted in loading and unloading. Dragging the pipe across rocky ground or dragging the pipe in such manner as to cause gouging or removal of coating will not be permitted.

			[[Category:1020 Corrugated Metallic-Coated Steel Culvert Pipe, Pipe-Arches and End Sections]]

Hoskir: Created page with "
TOC
=1020.2.1 Corrugated Metallic-Coated Steel Culvert Pipe= Corrugated metallic-coated steel culvert pipe, pipe-arches, couplings and end sections are to be accepted on the basis of the sheet or coil manufacturer having filed the required documents set forth in the specifications, the plant being approved and qualified, certification by the manufacturer, manufacturer quality c..."

2025-02-21T19:37:02Z

Created page with "<div style="float: right; margin-top: 5px; margin-left: 15px; margin-bottom: 15px;">__TOC__</div> =1020.2.1 Corrugated Metallic-Coated Steel Culvert Pipe= Corrugated metallic-coated steel culvert pipe, pipe-arches, couplings and end sections are to be accepted on the basis of the sheet or coil manufacturer having filed the required documents set forth in the specifications, the plant being approved and qualified, certification by the manufacturer, manufacturer quality c..."

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