Description
PERFORMANCE WORK STATEMENT DRILL RIG RENTAL AND SUPPORT SERVICES CONTRACT C 1 GENERAL. Rental of Drilling Equipment with Operating Personnel and Supplies. Mileage for all vehicle use necessary to accomplish the work, and that is not covered by mobilization and demobilization, shall be included in payment for Rental of Drilling Equipment. There shall be no separate payment for mileage. A Government Inspector will be on-site to log borings and inspect the work. At the time of the contract award the Contractor shall have all the necessary licenses, registration, etc, for personnel and equipment, to begin work immediately in all the states in which the awarded contract applies. The Contractor shall furnish drilling equipment, support vehicle(s), supplies, and operating personnel capable of efficiently performing the following: a. 4 inch through 8 inch flight auger borings; b. Borings through cohesionless and cohesive soils with 3 inch through 8 inch diameter fishtail, or tricone roller bits, and a split-spoon sampler using drilling mud in lieu of casing. Upward directed drilling fluid return type bits may be required in engineered embankments; c. Borings using 4 inch through 8 inch diameter pipe casing; d. Auger-through and split-spoon sampling of cohesionless and cohesive soils with 3 -inch, 4 -inch, 6 -inch, and 8 -inch I.D. hollow stem augers; e. Standard Penetration Tests (SPT's) per ASTM 1586 84 (Re-approved 1992), with automatic drive hammer and cathead driven safety hammer. Split-spoon sampler shall conform to quote mark Standard Split Barrel Assembly quote mark detailed in ASTM 1586 84; f. Continuous soil sampling with the SPT barrel and a 2-inch I.D X 2 1/2 inch O.D. X 3 foot-long split-barrel sampler; g. 3 inch and 5 inch thin wall undisturbed soil sampling; h. 3 inch and 5 inch Hvorslev-type fixed piston undisturbed sampling; i. Coring of bedrock and rebar reinforced concrete with NQ-3, HQ-3, HQ-Wireline, PQ-3 and 6 inch x 7 3/4 inch diameter core barrels or equivalent. The appropriate diamond and carbide coring bits shall include internal and bottom discharge type; j. Abandonment and backfilling of boreholes and CPTu soundings, per appropriate state requirements, by gravity and/or pump and tremie system with cement/bentonite, high solids bentonite, bentonite chips, barite and/or neat cement grout; k. Rotary borings through rock, reinforced concrete, and cohesionless and cohesive soils. A mud pump, mud pan or tank, mud mixing apparatus, water tank and pump for filling tank, appropriate hoses, and bentonite drilling mud shall be on site for each project; l. Well screen and riser installations, for the purpose of constructing observation and monitoring wells (up to 2 inch diameter), direct burial piezometers and/or standpipe piezometers (up to 2 inch diameter), installing inclinometer casing (3.5 inch O.D.), instrument protective casings and covers, and other instrumentation. Borings through cohesive and granular soils, concrete, and rock, to set instrument pipe and casing, to install protective casing, and to backfill instrument installations with selected materials, as requested by the Contracting Officer; m. All types of soil and rock borings in Level D or Level C personal protective gear as defined by OSHA; n. Decontamination of all equipment before the Contractor arrives at the drilling site, between the sample intervals, boreholes, or before the Contractor leaves the drilling site as is deemed necessary in the SCOPE OF WORK; o. Remote drill-site access prior to drilling to include removal of brush and small trees with chainsaw or appropriate methods, snow removal, site leveling as necessary; p. Worksite restoration to pre-drilling conditions to include, but not limited to, removing auger and drill cuttings and repair ground damage at borehole sites, as requested by the Contracting Officer; q. Drill the majority of holes to a depth of less than 100 feet using DRILL RIGS A-D listed below. However, the Contractor may be required to drill and sample up to 300 feet in depth using equipment identified as DRILL RIGS B and DRILL RIG C. DRILL RIG A shall be capable to drill and sample to depths of at least 200 feet. DRILL RIG E shall be capable to drill and sample to a depth of 50 feet; C 2 EQUIPMENT AND SUPPLIES. A support vehicle (pickup truck or cargo truck) shall be included in the rental of each Drill Rig or CPTu SYSTEM. No separate payment will be made for a support vehicle. The equipment will be used on all types of terrain including but not limited to woods, steep hills, bogs frozen lakes and swamps, and site conditions, dry, wet, or muddy. It will be used in all weather conditions; snow, rain, ice, sub-zero temperatures. Rental equipment may be used on Government owned or rented floating plants on rivers, harbors, and lakes. The Contractor shall furnish all equipment and supplies necessary to perform the required drilling to include, but not limited to, the following: a. DRILL RIG A: All-Terrain Vehicle (ATV), Track-Mounted Rig with rotary drill and accessory equipment, designed for geotechnical drilling, rock coring, hollow stem augering, and split-spoon sampling, with automatic driven hammer AND cathead-driven safety hammer, for conducting SPT's per ASTM 1586 84. Drill rig must be designed for accessing remote sites, traveling over uneven terrain, over snow, and on very soft and/or wet ground. It should have a ground pressure variant of 4 psi or less with proper weight distribution and stability. Two hydraulic leveling jacks shall be fitted at the rear of the vehicle and at least one on the front. The drill mast shall be operated hydraulically, and shall be fitted with sheaves for at least three (3) cables and one (1) rope. The drill rig shall be transported on a trailer between sites. The drill rig shall also be equipped with an attached or attachable water tank of at least 100 gallons that can be brought into remote mud-rotary drill sites that trailered water tanks or support vehicles with water tanks cannot access. The drill rig shall also be equipped with a pump capable to pump bentonite drilling fluid required to keep the holes open and remove cuttings, as well as cementious grout mixes to abandon the borings or wells. b. 'AW' size and 'N' or 'NW' size drill rods; c. Rotary tricone and drag-type drill bits, and split-spoon & split-barrel samplers, to perform 3 inch through 8 inch borings; d. Flight augers (4 inch through 8 inch), hollow stem augers ( quote mark 3 1/4 quote mark , quote mark 4 1/4 quote mark , quote mark 6 5/8 quote mark I.D.), and iron pipe casing (4 inch through 10 inch); e. Triple-tube core barrels (NQ-3, HQ-3, and PQ-3) and appropriate bits to include diamond and carbide surfaced as well as bottom and internal discharge. Double-tube core barrel (6 quote mark x 7 3/4 quote mark or equivalent) and appropriate bits to include diamond and carbide surfaced as well as bottom and internal discharge. HQ Wireline core barrel system with a split-inner tube and appropriate bits to include diamond and carbide surfaced as well as bottom and internal discharge; f. 3 inch and 5 inch undisturbed thin wall sample tubes; g. 3 inch and 5 inch Hvorslev type, fixed piston undisturbed samplers and sample tubes; h. Powdered Wyoming bentonite, Type I or Type II Portland cement, medium Wyoming bentonite chips, and barite drilling fluid additive; m. Mud pumps, grout pumps, auxiliary pumps, tremie pipe, hoses, mud pan or tank, mud mixing apparatus, and water tanks. One water tank must have a minimum size of 300 gallons. The mud pump and/or grout pumps shall have the capacity for, and be designed for, the type of work listed in this STATEMENT OF WORK and in the individual project SCOPE OF WORK included in each task order upon issuance; i. All hand tools needed to complete subsurface exploration work, routine maintenance, and set-up and cleanup of the drill site; j. Portable propane torches for winter work and to heat wax for sealing undisturbed samples; k. Sample inspection table measuring at least 3 feet x 3 feet x 42 inches high with a pipe vise mounted on one end; l. Bailers suitable for removing water, drilling mud, or sand from boreholes or instruments; m. Portable steam-cleaner; n. Precise survey equipment to determine elevations of bore holes and stadia distances, including a transit or level with a tripod and a leveling survey rod. The survey rod shall be legible and read in feet, be graduated in 10ths and 100ths of a foot, and be capable of telescoping, or otherwise accurately extending, to at least 25 feet; o. Adapters, tools, and related items, which are not specifically listed herein, but are necessary for use with the equipment in achieving the performance requirements set forth in paragraph C 1 (GENERAL) shall be furnished or made available for use as required; C 2.1 Projects likely to encounter contaminated soils, water, and rock or requiring subsurface samples for chemical analysis may require the following: a. Level C or D personal protective equipment as defined by OSHA; b. Containerizing contaminated soils and/or drilling fluids; c. Decontamination equipment and supplies sufficient to enable all drilling and sampling equipment to be satisfactorily cleaned before the Contractor arrives at the drilling site, and between each sample if such equipment or supplies are deemed necessary in the SCOPE OF WORK for the Task Order. C 2.2 The Government will furnish appropriate containers for all soil and rock samples, except undisturbed samples, which will be retained in the sampling tube provided by the Contractor. C-3 CONE PENETROMETER TESTS. The following criteria must be met for Cone Penetrometer testing procedure (cone testing will be completed in conjunction with the rental of one of the drill rigs above): (a) The CPT test should be conducted in accordance with ASTM D 5778-95, quote mark Standard Test Method for Electronic Friction Cone and Piezocone Penetration Testing of Soils quote mark . If CPTu (Piezocone) tests are being conducted, the cone shall have the pore pressure element location immediately behind the cone tip (u2) with a new saturated filter element prior to each test. (b) Prior to penetration, the cone temperature should be adjusted to the anticipated soil temperature, as reasonably possible. (c) Routine profiling is to be conducted with a 10-ton capacity cone. (d) Calibration of the cone will be done in accordance with ASTM D 5778-95, quote mark Standard Test Method for Electronic Friction Cone and Piezocone Penetration Testing of Soils quote mark . There will be a piezometric calibration chamber to test the cone prior to starting a task order and then calibration will be completed every tenth probe hole. C-3.1 CPT Data Reporting must fulfill the following requirements: (a) The data report for the cone penetration tests, as a minimum, shall meet the reporting requirements outlined by ASTM D5778-95, quote mark Standard Test Method for Electronic Friction Cone and Piezocone Penetration Testing of Soils quote mark . These data must include the raw data taken during penetration. (b) The graphical data shall be supplied in a format produced by the program DIGITAL CONEPLOT available from ARA/Vertek or Rapid CPT by Dataforensics. (c) CPT data should be presented in the following units: Depth - feet Tip resistance (qc) - tons/sq ft (tsf) Sleeve friction (fs) - tsf, Pore Pressure (u2) - psi Inclination - degrees from vertical Temperature - degrees F. C-3.2 Graphical (x-y) plots shall be submitted for each cone test with the test report. The format of the plots should be as follows: (a) CPTU sounding qc (x-axis) vs. depth (y-axis) Rf (x-axis) vs. depth (y-axis) u2 (x-axis) vs. depth (y-axis) Soil behavior type vs. depth (y-axis) C 4 MOBILIZATION AND DEMOBILIZATION a. Mobilization and Demobilization (Mob and Demob) covers all costs incurred in moving the drilling equipment, personnel, support vehicles, and supplies to the work site and returning them to the Contractor's permanent facility when the job is completed. Initial and final cleaning and decontamination of the drilling equipment and tools, by steaming if necessary, shall also be included in the mobilization and de mobilization costs. Mobilization shall end when drilling and sampling has started. Demobilization begins once the last boring is grouted or the Contracting Officer designates the job is complete. This payment will be the same for each job within the specific area called for in the task order, regardless of its location within the area, according to the amounts stated in the bid schedule. b. Only one Mob and Demob charge per drill rig per task order will be allowed unless approved by the Contracting Officer. C 5 SITE SAFETY, UTILITY MEETINGS, NOTIFICATIONS, ROAD USE PERMITS, MONITORING WELL PERMITS, BORING and WELL ABANDONMENTS a. All drilling operations shall be conducted per the current version, dated 2008, of the Corps of Engineers Safety Manual (EM 385-1-1). Section 18-H quote mark Drilling Equipment quote mark will serve as the primary reference source for safety during drilling operations. Drilling tools shall not extend above the rig mast more than 1-foot or the minimum necessary to connect/disconnect drilling tools, and the use of slip rings is prohibited. Utility meetings for the purpose of locating buried lines, pipes, cables, and all underground utilities shall be conducted by the Contractor unless directed otherwise by the Contracting Officer. Road use permits and parking permits at drill sites shall also be the responsibility of the Contractor unless otherwise directed by the Contracting Officer. The Contractor shall abide by all applicable state laws concerning utility meetings and road use and provide any necessary safety equipment, such as but not limited to cones, barriers, lighting, for operation on and adjacent to roadways, walkways or other areas that could pose a hazard to the public. The Contractor shall be responsible for meeting all Health Department and/or Department of Natural Resource filing or permit requirements. The Contractor shall be responsible for all notifications, obtaining all permits, and meeting abandonment criteria when required in the appropriate state and county. The Contractor is not exempt from paying permit fees, or from the coordination and filing requirements. C 6 MILEAGE a. No separate payment for daily mileage shall be made for the drill rigs or support vehicles; any mileage shall be included in the cost of drill rig rental. The movement of equipment from boring to boring is addressed in Section C-9; quote mark OPERATING AND WORKING TIME. quote mark C 7 PROJECT LOCATION a. This acquisition is divided into two geographic area, the east and west areas of the St. Paul District, shown on the attached map. One contract may be awarded for the entire area (both east and west), or a contract may be awarded for each of the two areas. The work may occur anywhere in the area covered by the specific contract. C 8 OPERATING PERSONNEL a. The Contractor shall provide an experienced crew consisting of one driller and one driller's assistant for each drill rig. b. quote mark Experienced quote mark for the driller is defined as a minimum of 2 complete years of current experience operating the assigned drill rig(s) or equivalent for broad-based geotechnical exploration work and monitoring well installations (not exclusively monitoring water well work) and drilling and sampling subsurface materials typical of those in the contract area. c. quote mark Experienced quote mark for the driller's assistant is defined as 1 complete year of current experience assisting an experienced driller in broad-based geotechnical exploration, work (not exclusively monitoring well and water well work). d. The drill crew shall be experienced and skilled in drilling with hollow stem augers, flight augers, setting and pulling casing, backfilling boreholes, installing and abandoning monitoring and observation wells, piezometers, inclinometers, and other instrumentation, mixing and drilling with bentonite drilling mud, drive sampling, standard penetration testing, taking thin wall and fixed-piston-type undisturbed samples, and core drilling in hard and soft rock. The drill crew shall be OSHA certified to perform subsurface exploration work in the appropriate level of personal protective gear. The Contractor shall ensure that the operating personnel have the proper drilling licenses and certifications as required by each relevant state and in accordance with federal guidelines and regulations prior to the commencement of drilling operations. No payment for an additional helper shall be authorized except as approved by the Contracting Officer prior to the execution of the individual Task Order. C 9 MAINTENANCE AND REPLACEMENT OF EQUIPMENT a. All repairs to equipment, and replacement of parts, including drill bits, split spoon samplers, core barrels; and all drilling apparatus shall be made at the expense of the Contractor. The working equipment supplied by the contractor shall be in good-working condition and shall be kept in good-working condition when in use. Downtime or other time performing maintenance or equipment repairs shall not be authorized for payment. The Contractor shall have spare replacement parts and supplies on hand for typical items that wear out or are consumed during the drilling process. These are such items including, but not limited to: split spoon samplers, auger teeth/bits, roller bits, powdered bentonite drilling mud, basket retainers, sampler shoes, and other expendable drilling supplies. C 10 OPERATING AND WORKING TIME a. The hourly rates for drilling equipment are for drilling time only and include payment for supplies and personnel necessary to perform the work as listed in the SCOPE OF WORK and in each TASK ORDER. Drilling time is defined as all work necessary to accomplish the drilling and sampling such as set up time, moving drilling equipment between borings, clean up time not related to mob or demob., instrument installation and abandonment, backfilling of boreholes, containerizing contaminated soils and/or drilling fluids, and Government-directed non drilling time. Powdered bentonite for mixing drilling mud and added to cementious grout mixtures shall be included in the supplies for drilling, and no separate payment will be made. Drilling with equipment or using techniques that are not productive, as determined by the Contracting Officer, will not be authorized for payment. Time performing routine maintenance or equipment repairs will not be authorized for payment. b. Work Days: The Contractor shall be prepared to operate 10 hours per day, 6 days per week until completion of the TASK ORDER, weather and other conditions permitting. Work on Sundays and holidays is not anticipated under this contract, except when deemed necessary and approved by Contracting Officer. Alternative work schedules may be considered. The Contractor shall be responsible for travel expenses related to changing staff or transporting them to and from the field site. c. Suspension of work: When, in the opinion of the Contracting Officer, conditions at the drill site during the periods of operation preclude the possibility of obtaining satisfactory production, temporary suspension of work will be ordered by the Contracting Officer, and payment will not be made for rental time during such periods of suspension. C 11 PER DIEM The per diem is invoiced on a per individual basis. The number of individuals in the crew, as requested in the Task Order, will determine the number of per diem days allowed for that Task Order. Per Diem will be authorized if at least eight (8) hours of drilling hours have been worked for the day or for a mob or demob. day with at least 4 hours of drilling time. In the event of severe weather of other unforeseen actions or events that necessitate drilling operations be suspended, the Contracting Officer will determine if per diem payment is authorized for the period that drilling is suspended. Additional per diem days resulting from excessive downtime, caused by the Contractor, shall not be invoiced for payment. Per Diem will not be allowed for scheduled non-work days except when the standard work schedule of 10 hours per day, 6 days per week is utilized, or, if an alternate work schedule is approved by the Contracting Officer. Alternate work schedules that adversely affect the project schedule or increase cost to the Government will not be considered. Per Diem days for mobilization and demobilization without at least 4 hours of drilling time will not be allowed. C-12 MONITORING WELL & PIEZOMETER MATERIALS a. Protective black iron or steel casing (4, 6, or 8-inch diameter) with lockable covers meeting state and local well code requirements where the work will be performed; b. Monitoring Well & Piezometer construction materials shall be new and consist of nominal 2-inch diameter PVC pipes and screens. The components shall meet ASTM Schedule 40 thickness and strength specifications and have an inside diameter of no less than 2.00 inches. All PVC components shall have flush-threaded joints with o-rings for watertight connections. Well screens shall have a continuous-slot design and a #10 slot-size (0.010-inch); c. Filter Sand for Monitoring Wells and Piezometers shall be commercially produced, packaged, and washed silica sand. Individual 50-lb. packages must be clearly marked with gradation information. The sand shall be well graded and be retained on US Standard Sieves #16 through #80. Filter sand shall have less than 10% passing US Standard Sieve #80; c. Protective guard posts at least four inches square or four inches in diameter shall be made of reinforced concrete, decay-resistant wood, or ASTM Schedule 40 steel or black iron pipe. Posts or pipes shall be 8-feet in length. Pipes shall be filled with concrete, or capped with an overlapping, threaded, or welded steel or iron cap; Drilling Project SCOPE OF WORK Project Location: Marsh Lake / Near Montevideo, MN This soil boring program requires the rental of one drilling unit. The drilling unit must be a tracked drilling rig and all supplies necessary to drill approximately 12-15 holes. The results from the holes will be used for stability analysis. The borings will average 30 feet in depth, but may be as deep as 90 feet. A Government inspector, on site, will determine the final field location and depth of each boring. The borings will be taken on a mixture of private property and Government owned land. A minimum of 90 feet of at least 3 1/4-inch I.D. hollow stem auger will be required, and bentonite mud with rotary drilling may be necessary to advance the boring below the water table. Water levels are important for stability analysis, and may be somewhat slow to obtain in the soils anticipated. Short auger borings (approx. 20-25 feet), offset from the pilot holes, and allowed to stand open overnight may be necessary to obtain water levels. The Government inspector will make that determination in the field. All holes will be sampled continuously, unless directed otherwise by the Government Inspector. Standard penetration equipment (SPT) will be used in combination with a 2- inch O.D. by 3-foot long split spoon sampler. Auger cuttings for Proctor analysis may also be collected. An automatic hammer will be required for standard penetration testing. 5-inch diameter undisturbed samples (Shelby-type and/or piston-type) will be required. The government inspector will make that determination in the field. Soils expected to be encountered include interbedded alluvial sands, silts, and clays as well as glacial clays and tills. Jar samples will be taken by a Government inspector every 5 feet or change in material. The Government representative will take care of all samples; prepare the boring log, coordinate rights-of-entries, and utility checks. The boring crew should be prepared to tremie cement-bentonite grout to backfill borings and instrumentation clusters. The work will be performed between 05 January and 06 February, 2015 Upon award of this delivery order, field coordination POC is Kevin Nelson at (651) 290-5844 or Terry Jorgenson at 651-290-5598.