Attachment 4: Construction Schedule
Updated
A Word document (21 KB) attached to GCI Pollyanna #2 Acid Mine Drainage Remediation Pr, from the Office of Surface Mining, Reclamation and Enforcement. Due Nov 6, 2026, 5:00 PM (UTC-5).
File name: ATTACH_4_-_Construction_Schedule.docx
The full file is for paid members, or buy this bid alone.
Preview
Date:
Feature
Item
Day:
Pollyanna 2
Mobilization
Clearing and Grubbing
Pond Dewatering
Earth Fill / Dirt Work
HDPE 8” Collection Pipe
Concrete for Flow Spreader(s), Seep Step, and Installment
High Calcium Limestone (AASHTO #3)
Dosing Siphon Concrete Vault
10” Dosing Siphon
Settling/Oxy Pond Appurtenances: Two 4-inch Outlet Pipes, two 2.5/3-inch Orifice Plates, & Baffle Curtains 6: 50ft long x 3ft tall
Wetland Seeding and Planting
Permanent Erosion Control
Fencing (5-wire)
Removal of Equipment and Associated Tanks
Earth Fill / Dirt Work
HDPE 8” Collection Pipe
Concrete for Flow Spreader(s), Seep Step, and Installment
Add more pages as seem fit
The beginning of the document. Download the full file to read on.