214SEALING ABANDONED WATER WELLS AND SPRINGS

PA · 2026 Standard Specifications✓ Full text on BuildSpecBook pages 177–0 Save this section

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214.1DESCRIPTION—This work is the sealing of water wells or springs.

214.2MATERIAL—

• Class C Cement Concrete—Section 704, except with a slump of 5 inches to 6 inches

• Spring Box—Section 605

• Spring Box Outlet Pipe—Section 615

214.3CONSTRUCTION—

(a)Drilled or Driven Wells. Completely seal the well with concrete.

Remove standing water in the well, if possible, before placing the concrete plug. Do not pull metal casings of wells. If directed, where multiple ground-water aquifers exist, evidenced by a well-casing length longer than normal, pull the casing. To prevent losing the hole when the casing is pulled, proceed as follows:

1.Fill the lower uncased well portion with concrete before pulling casing.

2.As each section is pulled, fill that portion of uncased hole with concrete before removing the next

casing section.

3.Continue until all of the casing is removed and the well is completely filled with concrete.

Excavate material around the casing top, at the finished elevation, 1 foot deep and 1 foot in width around the casing. Fill the excavated area with concrete placed monolithically with the top of the well plug. Seal wells before demolition operations to prevent contamination.

(b)Dug Wells. Completely fill abandoned dug wells with concrete and finish flush with the surface.

(c)Springs. Enclose springs with satisfactory spring boxes and with suitable overflow pipes to collect

and direct the flow to inlets or parallel ditches.

214.4MEASUREMENT AND PAYMENT—

(a)Sealed Drilled or Driven Wells. Each

(b)Sealed Dug Wells. Each

(c)Sealed Springs. Each

Referenced in this section

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Source: Publication 408 Highway Construction Specifications, 2026 Edition. Pages 177–0 of 1,522. View official source ↗

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213 TEMPORARY PROJECT AIR POLLUTION CONTROL

218 FOAMED GLASS AGGREGATE

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