Single Drum Roller.doc

SPECIFICATIONS

Single Drum Vibratory Roller The purpose and intent of these minimum specifications is to describe a Single Drum Articulating Vibratory Roller. It must be of heavy duty design to deliver dependable service under severe operating conditions. Unit bid shall be currently produced with all the latest standard features whether or not called for in these specifications. This unit must meet or exceed all Federal, OSHA, State regulations that are applicable.

The award will be made on a best value basis to the vendor that either meets or most closely meets the specifications, while taking price and delivery into consideration.

Please complete all checklists. An X will have the same meaning as standard or specified equipment. Make note of all exceptions and identify as not available or dealer installed.

The following abbreviations must be used:

X Standard or as specified

EX Exception to specification

N/A Not Available

DI Dealer Installed

AE Approved equal process

Item 1 Engine/ Power train 1.1 The heavy duty Tier 4 diesel engine shall have a rated 45hp gross power at

2500 rpm (or equal).

1.2 The engine shall meet all the latest US EPA engine

emission requirements.

1.3 Shall include an efficient dry type air filter (with visible air restriction meter preferred).

1.4 Shall have ample capacity for continuous high engine output under extreme temperatures and or operating conditions.

1.5 The engine shall utilize a pre-heat feature to assist starting in cool weather

(glow plug preferred).

1.6 The engine speed shall be controlled by a three-position throttle lever, consisting of low, intermediate, and high (preferred).

1.7 The propulsion system shall be hydrostatically driven closed circuit with a single lever control for direction and speed.

1.8 The propel speed shall be infinitely variable from 0 to 5 mph in both forward and reverse.

1.9 The hydraulic propulsion lever’s regulating curve shall provide smooth and precise control at all speeds.

1.10 Provisions for bypassing (releasing) the hydraulic brake system, to allow the unit to be towed in the event of engine or hydraulic failure shall be supplied.

1.11 Electrical hour meter (Hobbs preferred if dealer installed) wired in such a way to operate only when the engine is running.

1.12 Engine compartment shall be enclosed and vandal proof.

1.13 Engine shall have spin on type filters for oil, and fuel.

Item 2 Vibratory System 2.1 The vibratory system shall provide a minimum of 2460vpm with Amplitude of 0.067 inches and a centrifugal force of 18540 lbs.

2.2 Frequency selection shall correspond to the intermediate speed and high speed throttle positions (preferred).

2.3 A standard auto-vibe function shall start and stop the drum vibration when the propel lever is removed from the neutral position.

2.4 The standard auto-vibe system shall prevent the machine from being started when the vibratory switch is in the active mode.

Item 3 Operators Station 3.1 The machine shall be equipped with the operator’s station located in such a way as to allow the operator to have a full 360° degree view.

3.2 The operator’s station shall provide visibility to the drum edge contact points on both side of the roller.

3.3 The operator’s station shall be isolated from vibration to include seat, feet and hands.

3.4 The operator’s station shall come with a ROPS that is ANSI and OSHA approved and certified.

3.5 The following shall be located within ease of reach to operator for safety and control: steering wheel, engine throttle, hour meter, vibratory drum control, horn, engine start switch, and secondary / parking brake.

3.6 Condition indicators shall include as minimum: fuel level, engine temperature, engine oil pressure, hydraulic oil temperature, engine preheat, turn signals, brake “on”, battery charge.

3.7 Operator’s platform shall include a fully adjustable suspension seat with seat belt and seat switch for safety and comfort, skid-resistant walkway surfaces, railings and hand holds.

3.8 Warning, instructional, hazard and safety decals shall be conspicuously displayed.

3.9 A neutral-start safety switch is mandatory.

Item 4 Hydraulic System 4.1 The hydraulic reservoir shall be common to propulsion, vibration and steering systems.

4.2 Hydraulic pressure checkpoints with quick-disconnect pressure taps shall be provided on propel and vibratory circuits.

4.3 The hydraulic oil system shall have sample ports for collection of oil fluids.

4.4 The hydraulic system shall have easy access spin on type filters.

Item 5 Electrical System 5.1 The electrical system shall be 12-volt and include a master switch located in the lockable engine compartment.

5.2 Master switch to be wired to the Negative side of the battery.

5.3 The electrical supply shall be provided by a minimum 750 cold-cranking amp, maintenance free battery.

5.4 The electrical system shall have a 45 amp alternator minimum.

Item 6 Drums 6.1 The drums shall not be less than 37” in diameter.

6.2 The drum shell width shall be a minimum of 47” and shall have a smooth surface.

6.3 The drum and its vibrating parts shall be isolated from the rest of the roller by replaceable rubber supports.

6.4 Two flexible, spring loaded, self-adjustable non-metallic drum scrapers shall be mounted on the frame structure that surrounds the drum.

6.5 Rear tires shall be 9.5 x 24, 4 ply, turf type design.

Item 7 Serviceability 7.1 Remote mounted drains shall be provided for the engine oil and hydraulic oil.

7.2 The hydraulic oil level shall be checked with a sight gauge.

7.3 The engine oil level shall be checked with a dip stick and the fuel system water separator shall be checked visually.

7.4 Any specialty tools for servicing the unit shall be supplied with the roller.

Item 8 Warranty 8.1 One year or manufactures standard warranty will apply which ever one is greater.

8.2 Please state terms and conditions of warranty with bid proposal.

8.3 Manufactures warranty will start with the MDOT Fleet Services in-service date.

Item 9 General 9.1 The self-propelled vibratory compactor shall be specifically designed for the compaction of granular materials.

9.2 The front and rear frame pivot shall allow 35° degrees of articulation and 12° degrees of oscillation.

9.3 Grade 10 metric or US Grade 8 hardware shall be used (minimum).

9.4 Operating weight shall be a minimum of 7,000 lbs with standard ROPS /

FOPS.

9.5 All paint and primers shall be lead free.

9.6 Bidders shall supply a detailed specification sheet with their bid proposals listing exactly what is being bid (not a reference to a web site or standard brochure).

9.7 These specifications are a minimum and bids will be evaluated based on price, warranty, manufacturers performance data, delivery schedule (delivery schedule may effect the award), parts availability and other items deemed appropriate.

9.8 Vendor shall provide training at a later date, but within eight (8) weeks of delivery (unless other arrangements are required and agreed upon by the vendor and MDOT Fleet Services).

9.9 Vendor shall supply two (2) copies each of the Operator’s Manual and Parts Manual (one (1) copy may be a CD).

9.10 MDOT Fleet Services requires all training to be done by factory trained and certified personnel.

9.11 Maine DOT reserves the right to pre-inspect the equipment before delivery.

9.12 All bid pricing will include shipping and delivery to:

Maine DOT Fleet Service, 105 Capitol St. Augusta, Maine, 04330.

9.13 Upon delivery of unit or units all necessary paper work such as

Certificate of Origin (title), dealer’s certificate, and billing invoices shall accompany unit or units.

Exceptions and Questions: All exceptions must be asked during the bid period by submitting your requests and / or questions through the Question and Answer link on the Solicitation Details View page. Your answer will appear there as well. It is the vendor’s responsibility to log in to view all questions and answers posted there. Questions and answers obtained any other way will not be valid for this RFQ.

Rev 10/12 ESB