Drinking Water And Sanitation Department Tender

Search from across the categories, cities, and authorities to find the latest Jharkhand tenders. Every Jharkhand tender is curated from credible sources of government websites (eProcurement Jharkhand portal) and newspapers, thus ensuring the credibility of the information presented to you. For more information on Jharkhand tender bidder registration, the login process and more read the FAQs section on this page.

Drinking Water And Sanitation Department - DWSD Tender

Works
Civil And Construction
Water Storage And Supply
Eprocure
Opening Date6 Aug 2024
Closing Date12 Aug 2024
Tender Amount₹ 23,87,729 
Notes
Download

Costs

Summary

Construction Of Solar Motor Pump Based Mini Water Supply Scheme In Pvtg Village Having No Drinking Water Facilites In Sahibganj

Description

Unlock the Tender details for free
Scription for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user

Contact

Unlock the Tender details for free
GEM & Bid Advisory Services
Get portal registration, tender bidding, product/service listing or vendor/MSME certification services at a nominal cost

BOQ Items

... More
DO_NOT_SHOW

-

-

-

View all details for FREE
... More
(a) 1.00 M to 3.00 M deth below G.L

113.18

71120

628.38

... More
(b) 3.00 M to 4.00 M deth below G.L.

39.3

27296

694.58

... More
(c) 4.00 M to 5.00 M deth below G.L.

25.16

19141

760.78

... More
Suplying all materials labour & equipment for roviding R.C.C. ( 1:2:4) in well curb including centering and shuttering but excluding the cost of reinforcement all complete job as per specification and direction of E/I.

2.2

11782

5355.59

... More
Supplying all materials and labours for providing rough dressed stone masonary in cement mortor ( 1:6) in parapet wall and platform of the well including shuttering, scafolding if needed etc. all complete job as per secification and direction of E/I. (A) Steining Wall of Well(i) Rough Dressed Stone Masonary in C.M.(1:6)) (a) 0.00 to 3.00 Mtr below G.L

29.28

80766

2758.43

... More
(b) 3.00 to 4.00 Mtr below G.L

9.76

27142

2780.97

... More
(c) 4.00 to 4.80 Mtr below G.L

9.76

27362

2803.51

... More
(B) In Parapet wall of well above G.L

7.32

20686

2826.05

... More
Supplying materials labours for fixing 20mm dia M.S bar steps in staining wall of 0.5 M interval and staggered in cement concerete (1:2:4) including scaffolding and curing etc. all ccompelte job as per specifiation and direction of E/I.

28

5934

211.94

... More
Providing designation 75A one brick flat soling joints fitted with local sand including cost of watering, taxes, royalty all complete as per building specification and direction of E/I.

30.8

10980

356.52

... More
Providing P.C.C. (M-150) (1:2:4) in foundation with approved quality of stone chips 20mm to 6mm size graded and clean coarse sand of F.M 2.5 to 3 including screening, mixing cement concrete in mixer and placing in position, vibrating, curing, taxes and royalty all complete as per building specification and direction of E/I.

1.54

8664

5626.21

... More
Supplying all materials and labour for providing cement (1:3) flush pointing pointingg in staining wall including clean coarse sand of F.M 1.5 including cost of screening, curing with all leads and lifts of water, scaffolding, taxes and royalty all complete as per building specification and direction of E/I.

-

-

-

... More
(A) Flush pointing in staining wall (a) 0.00 to 3.00 mtr below Gl

56.52

8692

153.8

... More
(b) 3.00 to 4.00 mtr below Gl

18.84

3747

198.89

... More
(c) 4.00 to 5.00 mtr below Gl

18.84

4596

243.98

... More
Supplying materials and labour for providing 12mm. cement plaster (1:3) with 1.5mm thick punning with clean coarse sand of F.M 1.5 including cost of screening, curing with all leads and lifts of water, scaffolding, taxes and royalty all complete as per building specification and direction of E/I.

25.68

6035

235.03

... More
Providing R.C.C. (M-200) (1:1.5:3) in cover slab/ beam with approved quality of stone chips (20mm to 6mm size) graded and clean coarse sand of F.M 2.5 to 3 including screening, shuttering, mixing cement concrete in mixer and placing in position, vibrating, striking, curing (but excluding the cost of reinforcement), taxes ad royalty all complete as per building specification and direction of E/I.

-

-

-

... More
(a) In Beam ( R.C.C. M-150)

0.48

3028

6308.87

... More
(b) In Cover slab ( RCC M-150)

2.34

14762

6308.87

... More
Providing TMT steel reinforcement of 8mm dia and rods as per approved design and drawing including carriage of M.S rods (straight or in coils) to work site, cutting, bending and binding with annealed wire with cost of wire, removal of rust, placing the rods in position all complete as per building specifications and direction of E/I.

0.6

49988

83314.02

... More
supplying fitting and fixing 600mm x 450mm size C/I main hole cover with frame ( Wt. not less than 25 Kg) etc. all complete job as per secification and direction of E/I

2

2940

1470

... More
Supplying all labours, tools & plants for dewatering of well by diesel machine includding cost of fuel & hire charge of diesel pump during the period of excavation & masonary work all compelte job as per direction fof E/I

10

452

45.21

... More
Supplying all tools equipments and labour for desilting the well all complete as per specification and direction of E/I.

2

3156

1578

... More
Earth work in back filling in foundation trenches and plinth in layers not exceeding 150mm thick well watered, rammed fully compacted and fine dressed with earth obtained excavation of foundation trenches within a lead of 50M and lift of 1.5 M all complete as per building specification and direction of E/I.

42.5

2349

55.28

... More
Carriage of materials to work site by mechnical transport including loading, unloading and stacking at site etc. all ccomplete job as per specification and direction of E/I.

-

-

-

... More
(a) Cement (Avg. Lead- 10 Km)

5.92

2975

502.6

... More
(b) Sand (Avg. Lead -15 Km)

28.3

9704

342.9

... More
(c) Stone Chips ( Avg. Lead -20 Km)

5.9

2462

417.3

... More
(d) Bricks (Avg. Lead -10 Km)

986

818

0.83

... More
(e) Boulder ( Avg. Lead - 5 Km)

56.12

11122

198.2

... More
(f) Steel- (Avg. lead-10 KM)

0.59

296

502.6

... More
Carriage of construction materials by head load or bahangi from approach road to hill type working site including loading, unloading and carrying in all left and av. 500 M lead including stacking at work site as er direction of E/I. all complete job (as per labour analysis)

326

107710

330.4

... More
Solar Photovoltaic (SPV) Solar Submersible D.C. Water Motor Pump

-

-

-

... More
Designing, Supplying, Installation, Testing & Commissioning with all tools & Parts of following Solar Photovoltaic (SPV) Solar Submersible D.C. Water Motor Pump Suitable for minimum 125mm x 115mm bore well as per MNRE Guideline with following specifications & accessories.

-

-

-

... More
SPV arrays contains specified No of same capacity type & specification modules connected to series or parallel to obtained the required voltage & current the power output of individual PV modules should be minimum 200 watt peak.

-

-

-

... More
i) The SPV modules should be as per IEC-61215 and IEC 61730 part 1.0)

-

-

-

... More
ii) All external parts of motor pump used in submersible pump which are in contact of water is stainless steel grade 303 or higher as required.

-

-

-

... More
iii) The PV modules should be mounted on metallic structure of adequate strength and appropriate design which can withstand load of modules & High wind pressure up to 200Km/h.

-

-

-

... More
iv) The module mounting structure should be hot dip galvanized according to IS 4759.

-

-

-

... More
v) To enhance the performance of SPV water pumping system & arrangement for seasonal tilt angle Adjustment should be provided

-

-

-

... More
vi) Necessary arrangement should be provided in controller automatic start-run-stop through out the day with water level detection system. (As per MNRE Specification)

-

-

-

... More
vii) Necessary protection such as lightening arrestor etc. should be provided to protect the controller & SPV

-

-

-

... More
viii) The suction/delivery pipe shall be UPVC / H.D.P.E. pipes of appropriate size 60m or more as required minimum pressure rating of 8kg/Sq cm- PE 100 grade for pump up to 3HP & 10 Kg/Sq cm- PE 100 grade for 5 HP.

-

-

-

... More
ix) All cable used shall be as per IS 694. Suitable size of cable shall be used in sufficient length for inter connection between the SPV array to SPV controller and SPV controller to solar power pump. Provision of cable shall be as per IS 14536.

-

-

-

... More
x) The motor pump set should have a 5 years warranty.

-

-

-

... More
xi) Control panel suitable for motor pump with arrangement of dry run & over flow protection sensor, float switch & rain prevention box. (As per MNRE Specification)

-

-

-

... More
xii) The SPV controller must have IP-65 protection or must be housed in cabinet having at least IP-65 protection.

-

-

-

... More
xiii) The system should be as per MNRE guide line & Eco-friendly with suitable arrangement to operate new pump manually.

-

-

-

... More
xiv) With third party inspection before dispatch.

-

-

-

... More
xv) Fitting, fixing & mounting on water tank steel structure.

-

-

-

... More
xvi) Provision for web based remote monitoring of the pumps to be installed must be made through the inbuilt controllers . It should be possible to ascertain the daily water output, the power generated by PV Array ,the Up and down time of the pump during the year, number of days the pump was unused or under breakdown repairs.

-

-

-

... More
The following details should be marked indelibly on the motor pump set

-

-

-

... More
a) Name of the Manufacturer or Distinctive Logo.

-

-

-

... More
b) Model Number.

-

-

-

... More
c) Serial Number.

-

-

-

... More
Solar submersible motor pump (SPV DC Type)

-

-

-

... More
i) 2 HP (DC Pump) with 1800 WP minimum watt P.V. Panel as MNRE pump head Max Shut-off head up to 120 mtrs. For higher or lower head or in between various modules output could be decided on prorates basis. (As per latest guide line of MNRE)

2

341640

170820

... More
Provision of Solar Night Lamp.

2

2000

1000

... More
Construction RCC Foundation for Steel Structure Staging & Solar Panel

-

-

-

... More
Earth work in excavation in foundation trenches in ordinary soil and disposal of excavated earth as obtained to a distance up to 50.0m ,including all lifts, levelling ,ramming the foundation trenches, removing roots of trees, shrubs all complete as per approved design ,building specification and direction of E/I (vide classification of soil item -B)

17.52

2931

167.33

... More
Providing coarse clean sand in filling in foundation trenches or in plinth including ramming and watering in layers not exceeding 150mm thick with all leads and lifts including cost of all materials ,labour ,royalty and taxes all complete as per building specification and direction of E/I(Mode of measurement compacted volume)

1.05

617

589.51

... More
Providing designation 75 A one brick flat soling joints filled with local sand including cost of watering taxes royalty all complete as per building specification and direction of E/I

12.1

4313

356.52

... More
Providing PCC M-150 in nominal mix of (1:2:4) in foundation with approved quality of stone chips 20mm to 6mm size graded and clean coarse sand of F.M.2.5to 3 including screening shuttering mixing cement concrete in mixer and placing in position vibrating striking curing and royalty all complete as per building specification and direction of E/I

1.49

6851

4598.23

... More
Providing RCC M-200 in nominal mix of (1:1.5:3) in columns with approved quality of stone chips 20mm to 6mm size graded and clean coarse sand of F.M.2.5to 3 including screening shuttering mixing cement concrete in mixer and placing in position vibrating striking curing and royalty all complete as per building specification and direction of E/I.

-

-

-

... More
(a)Foundation for Steel structure staging

-

-

-

... More
Footing

4.73

23449

4961.73

... More
Vertical Pedestal

1.47

8804

5989.72

... More
Tie Beam

0.78

4671

5989.72

... More
(b)Foundation for Solar panel

-

-

-

... More
Footing

0.4

2004

4961.73

... More
Vertical Pedestal

0.24

1461

5989.72

... More
Providing for steel reinforcement as per approved design and drawing excluding carriage of T.S. bar to work site cutting, bending with annealed wire with cost of wire, removal of rust placing the rods in position all complete as per building specification and direction of E/I.

-

-

-

... More
10 mm Dia

0.36

29554

82096.54

... More
12 mm Dia

0.36

29116

80879.07

... More
Carriage of construction materials to work site including loading, unloading & stacking etc. all complete.

-

-

-

... More
Cement-10 KM (Avg. Lead)

3.18

1598

502.6

... More
Steel-10 KM (Avg. lead)

7.2

3618

502.6

... More
Stone chips-20 KM (Avg. lead)

6.82

2845

417.3

... More
Sand-15 KM (Avg. lead)

4.64

1591

342.9

... More
Bricks-10 KM (Avg. lead)

390

323

0.83

... More
Construction of galvanized tubular Steel structure staging for (4.5m) HDPE water storage Tank& Solar Panel.

-

-

-

... More
Providing structural steel galvanised tubular hollow section work in trusses, other similar trussed purlins and members with all bracing ,gusset plates etc as per detailed design and drawing or as directed by Engineer- in-charge ,including cutting fabricating ,hoisting , erecting and fixing in position , making riveted/bolted /welded connections and one coat of anticorrosive paint and over it two coat of all oil painting & For Structure(PLUS) Providing and applying materials &labour for hot dip galvanizing of above structure including transportation for galvanizing minimum thickness 80microns (Net wt. of components to be Galv) preferably TATA structural section etc complete.

3077.28

321083

104.34

... More
Providing structural steel work in trusses other similar trussed purlins and members with bracing gusset plates etc as per detailed design and drawing or as directed by Engineer- in-charge including cutting fabricating hoisting erecting and fixing in position making reverted bolted welded connections one coat of anticorrosive paint and over it two coats of oil painting etc complete.

54.4

5185

95.32

... More
Installation of 5000 liters Capacity Water Storage Tank

-

-

-

... More
Providing and fixing HDPE container Syntex or alike one piecemolded water tank made out of low density polythyler andbuilt corrugation including of delivery up to destination hoisting and fixing of accessories such as inlet, outlet overflow of all tanks capacity 5000.00 litres Capacity Water storage Tank

10000

74300

7.43

... More
Transportation Charge

2

2000

1000

... More
Lifting of 2000 Litrs Capacity Tank up to 4.5m height with lifting tools with rope and labour

2

1000

500

... More
Making hole in Tank

8

200

25

... More
Making long screw in G.I. pipe including supplying and fitting jam nuts and extra socket etc.

8

1268

158.59

... More
Rising and Distribution Network with House Connection 42 Nos. including Platform & Stand post

-

-

-

... More
Earth work in excavation in foundation trenches in hard soil (Vide Classification soil item B) and disposal of excavated earth as obtained to a distance up to 50 Mtr. including all lifts, leveling, ramming the foundation trenches, removing roots of trees, shrubs all complete as per approved design, specification and direction of E/I.

432.5

65000

150.29

... More
Dismantling plain cement concrete work including stacking serviceable materials in countable stacks within 15 M lead and disposal of unserviceable materials with all leads all complete.

3.38

3230

955.89

... More
Providing PCC M-200 with nominal mix of (1:1.5:3) with approved quality of stone chips 20 mm to 6 mm size graded and clean coarse sand of FM 2.5 to 3.0 including screening, shuttering, mixing cement concrete in mixer and placing in position, vibrating, sticking, curing , taxes and royalty all complete as per specification and direction of E/I. for construction of road cutting portion.

3.38

16770

4961.73

... More
Rising Main

-

-

-

... More
Manufacture, supply and Delivery of following Nominal dia UPVC column pipes including PVC socket (Coupler),

-

-

-

... More
40 mm dia -GI Pipes(TATA mark or equivalent) as per IS-1239 (Part-01)/2004 ISI Marked/Medium Quality

20

6600

330

... More
40 mm dia - High Density Polyethylene pipe (HDPE pipe) of 20 mm to 225 mm OD and pressure 6.0 Kg/cm2 and 10 Kg/cm2 suitable for water supply which is available in all standard conforming to ISI -- 4984/14151/12786/13488,ISO 4427 , DIN-8074 materials rates are Ex-factory excluding transportation, taxes and duties

500

37870

75.74

... More
Distribution Main

-

-

-

... More
50 mm dia -GI Pipes(TATA mark or equivalent) as per IS-1239 (Part-01)/2004 ISI Marked/Medium Quality

30

12127

404.25

... More
Providing and supplying High Density Polyethylene pipe (HDPE pipe) of 20 mm to 225 mm OD and pressure 6.0 Kg/cm2 and 10 Kg/cm2 suitable for water supply which is available in all standard conforming to ISI -- 4984/14151/12786/13488,ISO 4427 , DIN-8074 materials rates are Ex-factory excluding transportation, taxes and duties. PE-80 , PN- 10.

-

-

-

... More
50 mm HDPE Pipe

300

35112

117.04

... More
32 mm HDPE Pipe-

250

11892

47.57

... More
20 mm HDPE Pipe-

630

15750

25

... More
Providing and fixing Gun Metal Gate valve with C I wheel of approved quality(screwed end).

-

-

-

... More
50 mm dia

2

1552

776.07

... More
Lowering, Laying and Jointing H. D. P. E./M. D.P. E. pipes in proper position including all specials by compression fitting/electro fusion and butt fusion jointing procedure as per relevant IS Code complete with all materials for jointing procedure like Electro fusion machine, Electric heater/butt fusion welding machine with hydraulic jack, top loading clamp etc. and all labours as directed by engineer in charge as per IS-7634 Part II.

-

-

-

... More
For Rising

-

-

-

... More
40 mm GI Pipe

20

2031

101.55

... More
40 mm HDPE Pipe

500

15500

31

... More
For Distribution

-

-

-

... More
50 mm HDPE Pipe

300

11100

37

... More
32 mm HDPE Pipe

250

5750

23

... More
20 mm HDPE Pipe

630

7560

12

... More
50 mm Dia GI Pipe

30

3255

108.52

... More
Providing 15 mm dia. G.I. pipe Tata or equivalent make as per IS 1239 (Part 1/2004) ISI Mark /medium quality in Stand Post.

42

5045

120.12

... More
Supplying all materials , labour and tools for fixing 15 mm dia G.I. pipes with Red lead and yarn of following nominal bore with screwed and socketed joints on wall, ceiling and floor including supplying and fitting of wall hooks or pipe clamps, wooden plugs, cutting pipes to size and threading ends if required etc. all complete as per specification and direction of Engineer-in-Charge.

42

570

13.59

... More
Supplying and fixing G.I. fittings of approved make all complete as per specification and direction of E/I.

-

-

-

... More
Elbow 15 mm dia.

84

6785

80.78

... More
Reducer Socket 20x15 mm dia.

42

3523

83.89

... More
Nipple 15 mm dia.

84

6567

78.19

... More
Plain Socket 15 mm dia.

84

6467

76.99

... More
Supplying and fixing G.M. ferrule of approved make in existing C.I./D.I. main Including drilling and taping C.I./D.I. main all complete as per specification and direction of E/I. 3 mm, 6 mm 10 mm dm ferrule weight not less than 425 gram.

42

26178

623.29

... More
Providing and fixing Gun Metal full way valve of approved quality, all complete, as per specification and direction of E/I.

-

-

-

... More
50 mm dia and weight not less than 1.5 Kg.

2

3105

1552.85

... More
Providing and fixing of male ended C.I.Body brass spindle valve and seat Bib cock of approved quality with extra socket all complete as per specification and direction of E/I.

-

-

-

... More
15 dia and weight not less than 400 Gm

42

8382

199.58

... More
Constructing masonry Chamber 30x30x50 cm inside, in brick work in cement mortar 1:4 (1 cement :4 coarse sand) for stop cock, with C. I. surface box 100x100 x75 mm (inside) with hinged cover fixed in cement concrete slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), i/c necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5 fine sand : 10 graded stone aggregate 40mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12mm thick, finished with a floating coat of neat cement complete as per standard design.With common burnt clay F.P.S.(non modular) bricks of class designation 7.5.

-

-

-

... More
Full way valve chamber

2

3424

1712.15

... More
Supplying materials , labours and equipment's for construction of 0.90M x 0.90 M size P.C.C. (1:2:4) Rectangular Platform with stand post in house including 12 mm thick cement plaster in C.M. (1:4) with neat cement punning over exposed surface all complete job, as per approved design, specification and direction of E/I.

42

58815

1400.37

... More
Providing brick masonry chamber of inner size 600 x 600 x 450 mm deep for bore well protection having 125 mm thick wall and 75 mm R.C.C cover including cement plaster of exposed surface, etc all complete job.

2

5437

2718.84

... More
Earth work in back filling the trenches after laying different types and size of pipes with earth removed during excavation within initial lead and lift as per specification and direction of Engineer-in-Charge.

367.63

31733

86.32

... More
Providing fitting & fixing 32 mm to 50 mm service HDPE saddle all complete job, as per approved design, specification and direction of E/I.

42

2268

54

... More
Galvanised Chain-line mess Fencing around Solar Panel where bore well is away from tower

-

-

-

... More
Making 30 cm (12") dia bore up to 4M below ground with hand auger of approved quality in ordinary soil (vide classification of soil item-A) true to plum and without eccentricity in any stage of operation and disposal of the exacavated earth up to 50m lead including all lifts all complete as per approved design and direction of E/I.

24

3737

155.73

... More
Providing PCC M-150 in nominal mix of (1:2:4) in foundation with approved quality of stone chips 20mm to 6mm size graded and clean coarse sand of F.M.2.5 to 3 including screening shuttering, mixing cement concrete in mixer and placing in position, vibrating, curing, taxes and royalty all complete as per building specification direction of E/I.

1.7

7749

4569.12

... More
Labour cost of fitting and fixing Galvanised chain-link mess up height of 2 M including cost of staples (but excluding the cost of cement concete angle iron posts, its cutting and making holes, nuts and bolts) all complete as per specification and direction of E/I.

32

1760

55

... More
Drilling 6mm dia holes in M.S Angle iron for fixing of stables etc. as per building specification and direction of E/I.

96

866

9.03

... More
Labour cost cutting of M.S Angle iron posts to required length, one end splitted as fish tailed in a length of 150mm complete as per building sepcification and direction of E/I.

16

451

28.21

... More
Supplying, fitting and fixing straining bolts with nut size 22cm*10mm dia tighten the barbed wire with corner post complete as per building specification and direction of E/I.

96

808

8.42

... More
Supplying, fitting and fixing Galvanised chain -link mess having 3mm thick wire cell type 40 x 40 mm fitted on M.S. angle frame with two diagonals having 25x25x5mm size angle including cost of fabrication, providing necessary bocking arrangement with haskal and domny duly fixed in angle post, applying a priming red lead paint over steel work, taxes excluding the cost of Galvanised chain-link mess all complete.

47

5594

119.03

... More
Cost of Galvanised chain-link mess having 3 mm thick wire cell type 40x40 mm not less than 3.1 kg/Sqm

100

7445

74.45

... More
Cost of 50 x50 x6 mm M.S angle

200

10120

50.6

... More
Carriage of materials from different sources or departmental stores to work site including loading, transporting, unloading and stacking the materials at work site etc. all complete job. as per direction of E/I.

-

-

-

... More
Cement Lead 10 Km (Avg.)

0.56

281

502.6

... More
Sand Lead 15 Km (Avg.)

0.76

260

342.9

... More
Stone Chips Lead 20 Km (Avg.)

1.52

634

417.3

... More
Annual Operation & Maintenance cost based on Existing D/T Well with solar motor pump for 5 years

-

-

-

... More
O & M Cost for 1st year

1

18000

18000

... More
O & M Cost for 2nd year

1

20538

20538.36

... More
O & M cost for 3rd Year

1

21770

21770.67

... More
O & M cost for 4th Year

1

23076

23076.9

... More
O & M cost for 5th Year

1

24461

24461.52

... More
Provision of One No SIM Card & its recharging cost for RMC

5

4000

800

... More
Add 18 % GST

1

360182

360182.55

... More
Add 1% Labour Cess

1

23611

23611.97



Evaluation Notes How It Works ?

Potential Partner

Select Your Requirements
Disclaimer: BidAssist has made every reasonable effort to ensure that the information is accurate and authentic however it cannot be held liable for any third-party claims or losses of any damages. BidAssist makes no warranty, expressed or implied, as to the results obtained from the use of the information. If you think you may have noticed any error or omission, please let us know by contacting contact@bidassist.com.